1.battery capacity:40mAh
2.Charging box capacity:500mAh
3.Headphone size:134*58*40mm
4.Material:ABS+Aluminum alloy
5.Packing box size:31*28*21.5CM
6.Bluetooth distance:<10 meters
7.Standby time:about 2160 hours
8.Support Agreement:iOS/Android/ipad
9.Color:Red / Rose Gold / Gery / Black
10.Channel mode:stereophony
11.Play format:Bluetooth
12.Frequency :2.4GHz
13.Power supply:Built-in lithium battery / DC5V
14.Function:Bluetooth playback, hands-free calling, voice dialing