*Correspond With: Bluetooth V5.1 AC6973
*Support:A2DPv1.3,AVRCPv1.6,HFPv1.7,HIDv1.1,AVCTPv1.4,AVDTPv1.3,SPPv1.2
*Talk time: 4.0Hours
*Music time: 5.0Hours
*Standby time:80Hours
*Charge time: 1.5Hours
*Bluetooth range: 10m
*Battery: DC3.7V 35mAh*2
*Speaker type: Φ13mm
*MIC: -42dB±3dB
* Built-in lithium battery:300mAh
*Size：55.0*47.0*21.8mm
*Weight：48g
* Patent private mode TWS headset, with CE/ RoHS certification;There are call in, hang up, play music, selection, volume control, voice dialing, redial, telegram number, intelligent voice prompt, music time up to 4 hours.
* Adopt advanced digital signal processing (DSP) technology to make the call clearer and more stable in quality.
* Products with "OVP"24V voltage protection, ESD electrostatic protection, POGO PIN gilt layer 5U.
* Support all high quality mobile phone music players, high standard bass effect.
