Series M Earbuds with Powerbank

Product Details:

• 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.