Earbuds Buffer sound with Power Bank

.Using CVC8.0 digital noise reduction technology
.Bluetooth headset with the 5.1
.10 Hour battery life
.4000mAh built-in powerbank
.Can charge your device with power box
.The 5.1 chip manages battery life very well
.Designed for a more comfortable fit
.IPX7 waterproof and sweatproof
.Strong compatibility, IOS/Android universal, one-button control, simple and stylish.