Bluetooth solution:JL6973D  

Function: Noise reduction for dual-mic ENC calls  

Microphone: 2*2 (a total of 4 mics) Earphone battery :40mAh*2pcs  

Charging bin battery: 400mAh  

Endurance: 5 hours  

Charging time: 1-2 hours  

Charging interface: Type-c