Size: 26.4*1 8.9*26mm
Color: black, white, blue
Function: call answering, music play/pause, noise reduction
Bluetooth version: V4.1
Use time: about 4 hours
Charging time: The charging box is fully charged in one hour, and the Bluetooth headset can be charged 3 times.
It takes only 30 minutes each time and can be used continuously for 4 hours
