Specifications:
Bluetooth version: Bluetooth V5.0+EDR
Bluetooth sound processing: A2DP
Rated working voltage: 12V-24V
USB output: 5V/3.1A,5V/1A
Memory card playback format: MP3 WAV WMA
Bluetooth transmission distance: 10M
Bluetooth receiving sensitivity: -85dBm sensitivity
Signal to noise ratio: SNR > 93dB
Microphone effective distance: 0.5—2M
Working temperature: 0~50 degrees
Distortion: <0.1%
Frequency response: 20Hz-15Khz
FM transmission frequency: 87.5~108Mhz

Package included:
1pc * Bluetooth FM(No retail package)
1pc * Use Manual