I have to admit I was a bit skeptical when ordering. Competing brands are way more expensive (somewhere around 2-3 times more expensive) so I figured they'd cut corners somehow. So far I can't fault anything! I've had them for a little over a week now and have used them on several 20+ mile runs. From Samsung to Apple to fake, they're the closest thing to Nirvana I've used for full wireless operation. My first impression: Comes in a box with a locking mechanism (so you don't have to worry about the box opening easily). Contains 3 pairs of earphones of different sizes and a USB power cable. I get about 5.5 hours of continuous music playback with fully charged earbuds. After a full discharge, it took about 1 hour to charge the headphones in the box. The box itself was fully charged in about 1.5 hours. Out of the box, they paired the earbuds to my phone in seconds. The earpiece has a touch sensor to control the outer surface. The connection was strong and still is. As I said, the range was excellent, even within 20 feet of my phone I could have a wall or door in between and there was no power outage or interruption. I went to lunch 5 hours later and the earbuds were still on the initial charge, but I put them in the charger/case anyway. After a 30 minute break I put them back on and they lasted 5 1/2 hours through the second half of my workday. Sound quality and noise cancellation: The product has decent sound quality and adequate noise cancellation, which also depends on what size headphones you choose. Sport/Water Resistant: I haven't tested this (extensively) yet, but the kidneys seem to stay in good shape when running. Conclusion: I am very satisfied with my purchase. You are with me now wherever I go. It's amazing how often I have to use them for one reason or another. If you are thinking about getting wireless headphones, this is a very good and affordable option. At $40, this was one of my best Revain buys of 2019 in my opinion.
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