'-Version: V5.4+EDR Chipset: AB
-Chipset: AB5656D3
-Transmission range:10M
-Speaker: 40mm | 32Ω | 112dB±3dB
-Working time: 40H
Charging time: ≤2H
-Standby time: s180H - Battery: 400mAh
-Frequency: 20HZ-20KHZ.