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Author: p | 2025-04-24

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If you buy something from a link in this article, we may earn a commission. Learn moreREVIEW – I’ve been eyeing the new Ultimate Ears (UE) Wonderboom 2 for a little while now. I’ve tried the UE Megaboom 3 and really enjoy using it, but I’ve been wanting something smaller and a little more portable. I’ve tried the smaller UE Boom 2 but was not particularly enamored with it. Could the Wonderboom 2 be what I was looking for? I got the opportunity to try it out and wow, am I glad I did! It sounds fabulous for such a small speaker, is more portable than the Megaboom 3, and I was able to play it for about 30 hours on one full charge when the volume was moderately low. Higher volume levels would decrease the playing time, which the UE website states is about 13 hours. You might want to take note that it’s missing an AUX audio port and calling features.What is it?The Wonderboom 2 is the second version of the original Wonderboom. It is a tough durable small portable Bluetooth speaker that provides 360-degree sound and is IP67 rated which means it can be immersed in 1 meter or 3.3 feet of water for up to 30 minutes.Hardware specsAUDIOMaximum sound level: 86 dBC (standard mode) and 87 dBC (OUTDOOR BOOST mode)Frequency range: 75 Hz – 20 kHzDrivers: Two 40 mm active drivers and two 46.1 mm x 65.2 mm passive radiatorsPOWERRechargeable lithium-ion battery for up to 13 hours of battery life between micro-USB chargesCharge time: 2.6 hours (with BC1.2 compliant adapter)WIRELESS CAPABILITIESConnect up to 2 source devices simultaneously, wirelessly play (stream) music from either oneWirelessly play (stream) to 2 WONDERBOOMs from one sourceMobile range – 100 ft (30 m)WATER AND DUST-PROOFIP67 rated which means it can be Immersed in 1 meter or 3.3 feet of water for up to 30 minutesCOMPATIBILITYFor audio playback: smartphones, tablets, and other devices that support Bluetooth® [Advanced Audio Distribution Profile (A2DP)]DIMENSIONSHeight: 4″ (104 mm), Diameter: 3.75″ (95.3 mm), Weight: 15 oz. (420 g) (speaker only)WARRANTY2-YEAR Limited Hardware warrantyWhat’s in the box?Wonderboom 2 speakerMicro-USB cable“Want to double the fun?” card (how to create a stereo pair with another Wonderboom)Important Information documentation: Safety, Compliance, and Warranty informationDesign and featuresThe UE Wonderboom 2 is a small portable Bluetooth speaker. The top and bottom have silicone caps that are slightly concave.The top of the speaker has the following buttons (starting from the top): the Bluetooth Pairing button (the tiny circle which flashes white when in pairing mode), a center button for controls (the large center circle), and the Power On/Off button (the button that looks like a dash – it shines white when the speaker is on).Like the original Wonderboom, the Wonderboom 2 has the large silicone “+” (Volume Up) and “-” (Volume Down) buttons on the front.I really like the two-toned mesh fabric covering the majority of the speaker. And attached at the top of the speaker is a handy stretchy orange loop that has a small silicone wrap around it for easier grip.The bottom of the speaker has the Outdoor Mode button (the tree in the center of the bottom of the speaker). This is supposed to boost loudness and clarity when you are outside. When Outdoor Mode is on, the tree will shine white.Also at the bottom of the speaker is a micro-USB port that has a silicone cover to protect the port from water and the elements.SetupThe best “user guide” that I have found for the Wonderboom 2 is actually the inside lid of the box that it came packaged in as

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Can be immersed in up to one meter of water for up to 30 minutes. It also floats!Drop-tested: According to the UE website, the Wonderboom 2 has been drop-tested at 5 ft. / 1.5 m. Good news for a klutz like me! I’m not going to purposely test it, but I’m sure I will accidentally at some point.Frequency Range: The specifications indicate that the speaker has a frequency range of 75 Hz – 20 kHz. That’s awesome! The lower bass response is probably why I like this little speaker better than the Boom 2 which only went down to 90 Hz.Audio Quality: The audio quality of the Wonderboom 2 is impressive for a speaker this size (it is to my untrained non-audiophile ears). I thought that all frequencies were clean, clear, and relatively well-balanced when listening to all genres of music. It misses deeper basses in some electronica/techno music, but it is impressive the amount of bass it does pick up.Need a speaker you can hear outdoors? The Wonderboom 2 is a great portable choice for you. It gets VERY loud when at maximum volume.The only thing that I can think of that the Wonderboom 2 is missing is an AUX audio port to physically connect a mobile device to play music and there are no calling features.What I likeThe audio quality is impressive for such a small speakerIt’s small and very portableIt plays for a long time (~30 hours) on low volumeIt can get VERY loud and can be easily heard outdoorsIt’s very rugged and has been drop-tested from 5 ft. / 1.5 mIt’s waterproof (IP67 rated) and floats in waterBluetooth connectivity was maintained throughout my house without dropsThe center button on the top of the speaker allows you to play, pause, and skip tracks and pair another Wonderboom/Wonderboom. Portable Immersion Bucket Heaters Portable Immersion Bucket Heaters Portable Immersion Bucket Heaters. . Portable Immersion Bucket Heaters Portable Immersion Bucket Heaters Portable Immersion Bucket Heaters Portable Immersion Bucket Heaters. About Us. UL listed Immersion Bucket Heaters Made in the USA Baby!

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Your Google Play Service account and start enjoying the game online. Plus, you will also find the game progresses now being stored online. Thus, you’ll never lose your gameplay even if you lose your phone.Enjoy the game with or without the InternetOn the other hand, for those of you who’re more into the offline gameplay on your mobile devices, it’s also possible for gamers to fully immerse themselves into the totally portable gameplay of The Catapult 2. Here, you can have the game ready without having to connect to the Internet, while still enjoying full access to the in-game features. It’s extremely helpful for gamers who’re outdoor and don’t wish to use their mobile data.Free to playAnd despite all the exciting in-game features, Android gamers in The Catapult 2 will still find themselves having access to the awesome mobile game for free. As a result, you can now find the game ready to download on the Google Play Store without having to pay anything.Have fun with our fully unlocked gameplayOn top of that, to allow gamers to fully enjoy themselves with the exciting gameplay of The Catapult 2, we also offer our modified version of the game, which boasts free access to the unlocked in-game features, removed advertisements, unlimited money, and more. All it takes is for you to download The Catapult 2 Mod APK from our website, follow the provided instructions, and you should have the game ready to enjoy.Visual and sound qualityGraphicsTo allow Android gamers to fully immerse themselves into the experiences, The Catapult 2 also offers its simple and accessible in-game visuals with intuitive 2D graphics, interesting visual effects, and consistent physics. Plus, you’ll also find the 2D view covering the entire map with complete visions, making it extremely easy and accessible for gamers to fully immersed Degrees of light beam, it can not only enlighten your pathway but also provide an excellent color range.Whether you have a low light, it works perfectly for your action camera.SpecsCompatibility: Nikon DSLR, Sony DSLR, Canon DSLRLumens: 300Battery life: Appx 2hrs (2200mAh)Lighting modes: Full RGBProsAdjustable color temperatures increase your color ranges.It has a battery life indicator for users.The slim and lightweight design will make you a fan!ConsThe only lacking feature is the low battery power.SmallRig RM01 Mini LED Video lightAre you looking for lightweight solutions? Turn your heads to welcome the SMALLRIG RM01 mini LED light. Close-up shots are not a big deal. Its portability features are beyond words because of its compact design.Plus, four adjustable brightness levels keep you immersed in professional photo and video capturing.SpecsCompatibility: Nikon DSLR, Sony DSLR, Canon DSLRLumens: 100Battery life: Appx 2hrs 800mAhLighting modes: Warm, nature, and cold lightProsIt has a compact design, increasing the portable options.You can carry it along because of its lightweight.Waterproofing puts you at ease even if you dip in water.ConsLight isn't as bright as its competitors.FAQsDo action cameras have flash? Unfortunately, most action cameras don’t have a built-in flashlight system. You need to purchase an external flashlight for your videography or photography.Are action cameras worth it? Yes, 100% they are worth your money. Their attention to detail and vlogging keep them high on the table. Also, Action cameras are versatile and easy to operate.How long can an action camera record? It depends on the battery and brightness levels. On average, you can expect a battery life of 1-2 hours from an action camera.ConclusionWhenever you are landing the purchase of an action camera flashlight, don’t just chase the price. Instead, look at its battery life(very important!). Think about its uses. Buy only if it meets your needs and is affordable, too!

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Going all night long without reaching for multiple power cords. If you want a waterproof speaker that weighs under a pound and comes in at under $100, the best Bluetooth speaker for you is Ultimate Ears’ WONDERBOOM 4.Want something with even more … boom? Check out the step-up but still handheld model, the EVERBOOM, or look into the WONDERBOOM 4’s much bigger brother, the EPICBOOM—a big, bassy, shockproof, dustproof, waterproof device that can also be immersed in up to one meter of water for up to 30 minutes.Best sounding: Sonos Move 2 Pros Works with all other Sonos systems Fantastic sounds Automatically adjusts sound to its environment Why it made the cut: This portable speaker seamlessly ties into the Sonos wireless music system and pumps out excellent audio quality, making it one of the best-sounding Bluetooth speakers.SpecsBattery life: 24 hoursWeight: 6.61 poundsBluetooth Range: 800 feet IP Rating: IP56The Sonos Move has a ton of options when it comes to connectivity. Known for its smart speakers, Sonos gear typically operates over WiFi. It can instantly integrate into an existing multiroom Sonos speaker network, connect to Apple AirPlay, and use a built-in Alexa voice assistant that you can enable and disable as you like. But the Move 2 is also capable of connecting to devices via Bluetooth, making it truly portable. It lasts up to 24 hours per charge, which is a 13-hour improvement over its predecessor, and that’s not the only change Sonos made this time around. The Sonos Move 2 has a completely different audio architecture, with a faster processor, better amp, and improved drivers. The result is an excellent-sounding connected speaker that takes many cues from Sonos’ new Era 100, which we reviewed favorably earlier this year. If you care deeply about audio quality, baked-in Sonos’ EQ settings do a great job at accentuating different frequency bands without feeling heavy handed. While the Sonos Move 2 isn’t a totally neutral speaker, it made the music we listened to sound lively and fun. A feature called TruePlay uses the speaker’s built-in microphone to make adjustments to its sound based on the room (or even part of the room) it’s in. The result is a speaker that sounds good both in and outdoors.You can easily control all of the various services and settings like Sonos Radio, Alexa, Spotify, Apple Music, and more using the Sonos S2 singular app, making it easy to change things up at the drop of a hat. That’s a lot of options, though they come at a fair amount of dollars: $400 on average. Looking for a Sonos speaker that’s even more transportable and weather-resistant, while also more affordable? Check out the palm-sized IP67 Sonos Roam, which still sports many features and great fidelity but for less than $200. Best for Android: Sony SRS-XG300 Sony’s SRS-XG300 is an exceptional-sounding portable Bluetooth speaker with LDAC support. Pros Advanced-resolution codec support Portability for its size Loud sound SpecsBattery life: 25 hoursWeight: 6.6 poundsIP Rating: IP67It should be no surprise

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Instrument lubrication is performed: A. Immediately before use B. After sterilization C. After cleaning D. Before cleaning Correct Answer C. After cleaning ExplanationInstrument lubrication is performed after cleaning because cleaning removes any debris, dirt, or contaminants from the instrument's surface. Lubrication helps to reduce friction and wear, ensuring smooth operation and prolonging the lifespan of the instrument. Performing lubrication after cleaning ensures that the instrument is free from any residual cleaning agents, allowing the lubricant to effectively coat the instrument's surfaces. Additionally, lubrication after cleaning helps to prevent the accumulation of debris or contaminants that may interfere with the instrument's functionality. 23. Aluminum items should be cleaned: A. Using a circular motion B. Using a to and fro motion with the grain C. Using a stiff metal brush D. Using a water spray Correct Answer B. Using a to and fro motion with the grain ExplanationWhen cleaning aluminum items, it is recommended to use a to and fro motion with the grain. This means moving the cleaning tool back and forth in the direction of the grain or pattern on the surface of the aluminum. This method helps to prevent scratching or damaging the aluminum and ensures a thorough and effective cleaning. Using a circular motion or a stiff metal brush can potentially cause scratches or other damage to the aluminum surface. Using a water spray alone may not be sufficient to remove dirt and grime from the surface. 24. Powered surgical instruments: A. Can not be immersed B. Can be immersed C. Should be cleaned at the point of use D. Should be cleaned using a mechanical washer Correct Answer A. Can not be immersed ExplanationPowered surgical instruments cannot be immersed because they contain electrical components that can be damaged by water. Immersion can cause short circuits, corrosion, and other damage to the instrument. Therefore, it is important to clean these instruments using alternative methods that do not involve submerging them in water. 25. The use of heat to kill microorganisms, except spores. A. Sterilization B. Thermal Disinfection Correct Answer B. Thermal Disinfection ExplanationThermal disinfection refers to the use of heat to kill microorganisms, except for spores. This process involves subjecting objects or surfaces to high temperatures for a specific period of time to effectively eliminate or reduce the number of harmful bacteria, viruses, and other pathogens. While sterilization is a more comprehensive process that aims to kill all. Portable Immersion Bucket Heaters Portable Immersion Bucket Heaters Portable Immersion Bucket Heaters. . Portable Immersion Bucket Heaters Portable Immersion Bucket Heaters Portable Immersion Bucket Heaters Portable Immersion Bucket Heaters. About Us. UL listed Immersion Bucket Heaters Made in the USA Baby!

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0.7895 g/cm³d ethanol at 40°C = 0.7724 g/cm³d water at 20°C = 0.9982 g/cm³d water at 40°C = 0.9922 g/cm³SG ethanol at 20°C = 0.7909 g/cm³SG ethanol at 40°C = 0.7785 g/cm³6. Which Instruments Are Used to Measure Specific Gravity and Density?There are different types of instruments to measure both specific gravity and density:Hydrometer Hydrometer A hydrometer is a cost-effective instrument used to determine the specific gravity/density of liquids. Made of blown glass, it consists of a bulbous bottom weighted with lead or steel shot and a long, narrow stem with a scale. The hydrometer is immersed into the sample liquid until it floats. The density reading is taken by looking at the scale, where the level of the sample liquid aligns with a marking on the hydrometer scale. Most hydrometers measure the specific gravity of samples: in simple terms, a hydrometer tells the user if a liquid is denser or less dense than water. It will float higher in a liquid with a greater specific gravity, such as water with sugar dissolved, compared to one with a lower specific gravity, such as pure water or alcohol.When using a hydrometer, the user has two options:Use the hydrometer at its calibration temperature (usually 16 °C or 20 °C). Depending on the sample volume, it can take some time for the sample to reach this temperature.Simply record the measurement value at the surrounding temperature. Both measurement and temperature values must be recorded. If needed, a correction factor can be applied later to obtain the temperature-corrected measurement value.Pycnometer Pycnometer Typically made of glass, a pycnometer is a flask of a pre-defined volume used to measure the specific gravity/density of a liquid. It can also determine the specific gravity/density of dispersions, solids, and even gases. When used correctly, pycnometers provide very precise results, with accuracy up to 10-5 g/cm3 – this correlates with the accuracy (number of decimal places) of the digital balance used. A thermometer is also required to measure the temperature. User training is required to guarantee accurate measurements with the pycnometer.Portable digital density meter Portable digital density meter Portable digital density meters are used to quickly and accurately determine the specific gravity/density of liquids. Determination of density or specific gravity using digital meters is based on two factors:The oscillation, or vibration, of a U-shaped glass tube (U-tube).The relationship between the liquid sample mass and the frequency of oscillation of the U-tube. Filling the U-tube with sample liquid affects its frequency of oscillation: due to factory adjustment with samples of known densities, this frequency of oscillation can be directly correlated with the density of any liquid sample with an accuracy of 0.001 g/cm3 or a specific gravity with an accuracy of 0.001. Handheld digital density meters measure the sample at ambient temperature. If a result is needed at a certain temperature, the digital density meter can apply a correction factor to the measured result to compensate the result to a defined temperature. Each measurement takes only a few seconds, allowing users to