| Rated Working Voltage | 12V---24V |
| Operating Voltage Limit | 9V-----28V |
| USB Output | 5V/2.5A |
| Memory Card Playback Formats | MP3 WMA WAV FLA |
| Bluetooth Version | Bluetooth V2.1+EDR baseband and modem |
| Bluetooth Transmission Distance | 10M |
| Bluetooth Transmitter Power | Class2 and class3 |
| Bluetooth Receiver Sensitivity | -85dBm sensitivity |
| SNR | SNR > 93dB |
| Microphone Effective Range | 0.5---2M |
| Operating Temperature | 0~50℃ |
| Distortion | <0.1% |
| Frequency Response | 20Hz-15Khz |
| FM Transmission Frequency | 87.5~108Mhz |
| FM Transmit Mode | Stereo digital PLL frequency lock |