BH69 USB Bluetooth -yhteensopivat puhelinkeskuskuulokkeet PC-tietokoneelle 3,5 mm:n yrityskuulokkeet puhelinkuulokkeet mikrofonilla

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 Package included: 1 x Headphone 1 x Microphone Cover 1 x Charging Cable 1 x Instruction