Correspond with: V3.0
 Support: HSP. HFP. A2DP
AVRCP
Connect distance: Within 10 meters Time of Charge: 1.5 hrs F7
Frequency Table:2.4020-2.480GHz
Music time:  ≥8 hrs
Calling time: ≥9 hrs
Standby time:  ≥100 hrs
Speaker:
*Driver unit: Φ27mm
*sensitivity: 127dB±3dB/1KHz/ IEC3182仿真耳/1mW
*Impedance: 32 Ω±10％ *Frequency response:20Hz-20kHz
*Maximum Power output: 10mW×2

Microphone:
*Driver unit: Φ4.0×1.5 mm
*  sensitivity: -52±2dB  (0dB=1V/ubar，at 1kHz)
* Impedance: ≤2.2KΩ (f=1kHz)