M21 TWS Wireless Headphones Couple Noise Canceling Bluetooth Earphones 9D Stereo Sports Waterproof Four Earbuds Headset With Mic Pre-order As the firmware is continuously

As the firmware is continuously updated

Screen protector x1

Defective items MUST BE reported and returned within the warranty period (and in the original packaging

Customize Watch Faces: Support

M21 TWS Wireless Headphones Couple Noise Canceling Bluetooth Earphones 9D Stereo Sports Waterproof Four Earbuds Headset With Mic Pre-order As the firmware is continuouslyM21 TWS Wireless Bluetooth Headphones Couple Earbuds Touch Earphones Stereo Sports LED Display 9D Four Headset for Double People For xaiomi huawei iphone Product Description Product Name M21 Tws Earbuds Material PC+ABS Package Gift box Working distance About 10m Charging input voltage 5V Charging case capacity 2000mA Charging Time 1~2 hours Standby time About 120H Talking Time 3 4 hours (1 time full charged ) Music time 3 4 hours (1 time full charged