Bluetooth Version:V4.1 Chip:CSR8635
high quality stereo sound frequency
transmission and long -distance control protocol
Stand-by Time :200h
Holding time :5h
Play music :4h
Charging Time :1h
Frequency Rage :2.402G-2.480G
Charging Voltage :DC5V 300MA
Ambient Temperature :-20℃/+60℃
Transmission Distance :10m
battery Capacity :55mAh
connect 2 mobile phones