TWNT-BH820

Bluetooth Chipset: JL6973D4

Bluetooth Version: V5.4

Support code: SBC,AAC,Audio,decodes,Supported for BT audio

Mic Unit: 4015

Mic Sensitivity: -42±3dB

Battery capacity:

Earphones 3.7v , 85mAh / Charging case  3.7V/400mAh

Earphones charging time: About 1H

Playing music time: 8hours

Talking time: 7hours

Products Weight （include case): 48g