1 headphone program 3.0+ EDR Bluetooth
2 support protocol HSP, HFP, A2DP, AVRCP
3 frequency range 20HZ-20KHZ
4 Speaker specification 40mm 32 ohm
5 speaker sensitivity 102db+-10db
6 battery lithium polymer battery
7 battery capacity 200mA
8 music playback time more than 6 hours
9 calls for more than 8 hours
10 audio input port 3.5mm
11 charging interface USB Mirco
12 charging time 1.5-2 hours