functions
high performance bluetooth headset
bluetooth version v5.0
wireless transmission distance 10 meters
hands-free function: answer calls with the headset on
frequency response: 20hz-22khz
built-in microphone
music playback/talk time up to 10 hours
standby time up to 200 hours
360 mah rechargeable battery
size: 18.00 (w) x 8.50 (d) x 19.50 (h)