Great product!

I must say I'm very impressed with the sound quality.The Bluetooth headphone is really wonderful, it works with bluetooth, and charges by a USB thread. I have usd this headphone two weeks, it works well, and it can work almost one day if you only use it when you work out or work on your homework. And it is sweat-proof and waterproof.Super comfortable and great sound! Worked well while running.

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