BH69 USB Bluetooth-compatible Call Center Headset PC Computer 3.5mm Business Headsets Telephone Operator Headphones with Microphone  Specification: Model: BH69 Bluetooth-compatible version: 5.0 Microphone size: 6.5*5.0mm Directionality: one-way Sensitivity: -44±3db Impedance: ≤2.2KQ Microphone pole length: about 23cm Drive diameter: 30mm Impedance: 32 Frequency response: 20Hz-20kHz S.P.L: ≤96dB±3db Plug: USB+ 3.5mm level four Receiving distance: ≤10m Power supply: 160mAh Charging type: Micro USB Charging time: about 1.5 hours Play time: about 8 hours Standby time: about 100 hours Product size: 165*155*62mm Product weight: 49g Packing size: 185*175*80mm Package weight: 125g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.  

1 x Headphone   1 x Microphone Cover   1 x Charging Cable   1 x Instruction