1. Bluetooth version: V4.2
2. Frequency range: 20Hz-20KHz
3. Working range: up to 8m
4. Support protocols: A2DP,AVRCP,HSP,HFP
5. Talking time: about 8hrs
6. Music time: about 5hrs
7. Standby time: 248 hrs
CCK KN
Earphone (In Ear)
V4.2
A2DP, HSP, HFP, AVRCP
Up to 8m