Chipset : JL 7018 

2.4G + Bluetooth + Wired (Tri-Mode)

Bluetooth version: V5.4

Driver Unit : 40mm

Impedance : 16Ω±15%

Sensitivity : 115db ±3dB 

Mic Sensitivity : -38±3db 

Directivity : Omni-directional 

Working range : 10M 

Battery Capacity : 650 mAh 

Working time : 35 hours in 2.4Ghz mode , 60 hours in Bluetooth mode

Charging time : 1-2 hours

Detachable Mic 

20ms low latency on 2.4Ghz Mod