Long Battery life :45mAh battery for about 3.5 hours play music time, 400mAh charging Box capacity support about 3 times charging ,it is good for workout or play outside a whole day
Supper Easy Pairing: it is already a paring mode when you take the bluetooth earbuds out of charging box, turn on your device’s bluetooth function and search “D900p” ,then pair with it
Calling with Two earbuds:two earbuds can have sound when calls come in
MONO/Stereo Sound :both the right and left bluetooth headphones can use alone, you can only use the right or left one to pair with your phone
One-button design:Convenient and safe,one button have multifunctional function to answer or reject phone calls,Bluetooth pairing,power on/off,play/pause music/video etc.