Tvs Bluetooth-Kopfhörer, kabelloser Kopfhörer mit Mikrofon, USB-Adapter, Headset mit Geräuschunterdrückung, Stereo, faltbarer Bass für TV-Kopfhörer

Model: H2 with USB adaptor Uses: wireless headphones, voice headsets. Bluetooth version: V5.0. Bluetooth mode support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5. Frequency: 2.402-2.480GHZ, 2.4G ISM band. RF performance: receiver sensitivity: -84dBm; transmit power up to 4dBm. Frequency response: 20 Hz-20 KHz. Signal to noise ratio (SNR): 70Db. Total harmonic distortion rate (THD) 0.1%. Power indicator: Red and blue indicators flash alternately. Headphone charging: rechargeable 650MAH lithium battery. Charging port: USB charging interface. Normal charging time: 1-2 hours. Talk time: up to 20 hours. Standby time: up to 15 days. Working temperature: -20 ° C -55 ° C. Other features: support status indicator, charging indicator display. Color: red, black,white,Blue with bluetooth adaptor for watch TV