Factory Sale Bt 5.0 Headphones With Mic Charging Base Wireless Headset For Pc Laptop Call Center Office

Bluetooth: version; 5.3, chip brand model; SMIC AB5602, distance; 10 meters
Function: Bluetooth,
Audio frequency range: 20~20 kHz
Speaker: 30mm, Impedance: 32Ω±15%, Sensitivity: 98±3 dB
Microphone: 4522 omnidirectional, impedance 2.2K -42dB
Battery: 300mAh, charging time; 1-3H, standby; 365 days, working time; 4~8H, connection method; Type_C USB
Earmuffs: PU leather sweat-proof, soft and comfortable
Collapsible: not collapsible
Material: ABS+metal+PU leather
Appearance: spray high-grade hand paint
Certification: FCC CE RoHS REACH
Colour: Black