bluetooth V5.0 Audio Receiver NFC USB bluetooth Adapter Wireless 3.5mm Aux Audio Adapter For TV PC Speaker Home Sound Sy

Specifications Model B21 Name NFC bluetooth 5 0 audio receiver bluetooth version 5 0 Color black Material ABS plastic Transmission distance 10m Size 78 48x18mm Supporting devices support the connection of two mobile phones Iterface 3 5mm stereo RCA left and right channels USB micro USB bluetooth protocol AVRCP A2DP Frequency range 2400 2483 5MHz Frequency response 20Hz 20kHz Output power 28mw RL 16 Ω Signal to noise ratio 90dB Total harmonic distortion 0 1 Function introduction USB flash disk hands free call NFC connectionFeatures Support SBC and AAC Support micro USB interface 5V power supply 3 5 2RCA dual audio port suitable for more equipment 10m long distance transmission built in antenna less signal disturb Support USB mobile storage device and music can be played without network Package Included 1 NFC bluetooth 5 0 audio receiver