This bluetooth receiver Wireless Hi-Fi Audio Adapter 1 Mii Bluetooth 4.2 Adapter with 3D Surround aptX Low Latency for stereo music streaming to Home (updated version with power adapter) is a really great bluetooth receiver. I used to have a computer hooked up to my Logitech Z320 compact laptop speaker system, which are great powered speakers (although they're no longer made and you wouldn't want to buy them at an insane price now). dealers charge high prices). Due to a certain aesthetic in our house, my wife wanted me to ditch that computer and put a bluetooth receiver in its place. (We have speakers in the lobby, and she hates having a computer there. I don't think I blame her. The computer looked really out of place.) So, along the lines of "A happy woman is a happy life ." "I recently ordered this Bluetooth receiver from Revain and am very happy with it. The sound produced by these speakers is at least what I heard on the computer, as is the ease of use, comfort and the Aesthetics having a bluetooth receiver instead of a computer in our lobby is much more acceptable to them this particular receiver has bluetooth 4.2 plus AptX as far as bluetooth sound quality goes it's as good as it gets at the moment the Setup couldn't be simpler, I didn't even look at the instructions (which are written in Chinglish) until I powered up the unit, I plugged its power adapter into a switched outlet e. When I activate the outlet, this receiver turns on immediately. The first mating was almost instantaneous. (And like most other devices of this type, you only need to pair once. It then "remembers" your connection.) And now, pairing with my phone is automatic and almost instantaneous. Reception is excellent, as good as any other Bluetooth receiver I have (and I have quite a few). There are two "levels" of sound quality. When the large round LED is blue, this is the "normal" tone. When the 3D button is pressed, the LED turns green and the sound is amplified. I only used the 3D effect. Sounds better to my ears. (You may disagree, of course.) Although I currently use this particular Bluetooth receiver in our foyer with other computer speakers (Samson MediaOne M30 3-inch active studio monitors (pair), which sound much better than Logitech's ([ and via a RevainBasics 2-Male to 2-Male RCA - 4 foot audio cable, a feature not all Bluetooth modules have]), it can be used with almost any audio system, as well as ones like a receiver (every one of my amps have). RCA jacks.Integrated stereo amplifier (black) "powered" a pair of Klipschorn and it reproduced sound quality indistinguishable from the "more expensive" AudioTech Bluetooth receiver I use in this system.) It has no internal battery, it only works from the AC grid. Its power cord is designed to be used in a car via an active USB port or with an ENERGIZER 120W Cup Inverter 12V DC cigarette lighter to 120V AC to power a laptop and other devices with 4 common USB 2 .1A ports with Power iPad and other devices or Quick Charge car charger. 3.0 RAVPower 40W 3A QC Dual USB Car Adapter for iPhone X/8/8 Plus, iPad Pro 2017, Google Pixel, Sumsung Galaxy Note 8/S9/S8/S8 Plus/S7 and more. Therefore, although it does not have a battery, it can be used almost anywhere. It can even be powered by one of these Anker 2nd Gen Astro E5 16750mAh 3A PowerIQ Technology Portable External Charger for iPhone, iPad, Nintendo Switch and other devices or similar devices. What else can I say? It's an excellent device and I really like it (and my wife is happy too) and I give it my highest recommendation. Thank you for reading. Lawrence H. Balk
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