Chipset : JL 7018 

2.4G + Wireless + Wired USB 

Bluetooth version: V5.4

Driver Unit : 40mm

Impedance : 16Ω±15%

Sensitivity : 114db ±3dB 

Mic Sensitivity : -47±3db 

Directivity : Uni-directional (ENC Mic) 

Working range : 10M 

Battery Capacity : 700 mAh  

2.4G Working time : Around 30 Hours 

Bluetooth Working time : Around 50 Hours

Charging time : 1-2 hours

Detachable Mic