Correspond with: ISSC V4.1, support: HSP, HFP, A2DP, AVRCP
Frequency range: 2.4GHz
Transmitting power: Class 2
Wireless working distance: ≤10m
Charge time: ≤2.5 hours
Talk time: ≥ 8 hours
Music time: ≥6 hours
Standby time: ≥100 hours
Could connect 2 cellphone at the same time