Chipset: BK3266
Profiles: HFP,A2DP,AVRCP
Frequency: 2.4GHz, Class 2
Talk time: 3.5 h;
Music time: 2.5hours;
Standby time: 90h
Battery capacity: 65mAh
Charging time: 2 hours by 5V
Working voltage: 3.7V
Speaker impedance:16±15%Ω
Speaker sensitivity: 96±3DB
Weight: 8g
Dimension: 70*20*29mm