Bluetooth Car Wireless FM Transmitter Adapter USB PD Charger AUX Hands-Free BEST
Bluetooth version: Bluetooth 5.4. Signal-to-noise ratio:85dB(FM:65dB). Harmonic distortion:0.05%(FM:0.1%). Support extension:U disk 64G. Import Duties. Transmit frequency:87.5108MHZ. Effective distance: 10m.