New Vision NW-M9X2 In-Ear Bluetooth Ear Buds

The size is the same as the original size of the touch screen:call or sweat just by touching your earphone and you can also adjust the desired calls: you can hear Calls from both ears or one use at a time Multiple connection: Phone connection at the same time Bluetooth 5. 0v: the other 5.0 volt has lower battery life and sound quality.