*Correspond With: Bluetooth V5.1 AC6973
*Support:A2DPv1.3,AVRCPv1.6,HFPv1.7
,HIDv1.1,AVCTPv1.4,AVDTPv1.3,SPPv1.2
*Talk time: 7.0Hours
*Music time: 8.0Hours
*Standby time: 120Hours
*Charge time: 1.5Hours
*Bluetooth range: 10m
*Battery: DC3.7V 50mAh*2
*Speaker type: Φ6.0mm
*MIC: -42dB±3dB
* Built-in lithium battery:450mAh
*Size：70.0*47.0*29mm *Weight：61g
