| Rated working voltage: | 12V-24V |
| Extreme working voltage: | 8~32V |
| USB1 output: | 5V/1A |
| USB2 output: | 5V/3.1A |
| Support music format: | MP3/WMA/WAV |
| Supported U disk capacity: | 1GB-32GB |
| Supported TF card capacity: | 1GB-32GB |
| Working temperature: | <70 degrees Celsius |
| Battery voltage accuracy: | error ± 1V |
| Signal-to-noise ratio: | >60dB |
| Distortion: | <0.1% |
| Frequency response: | 20Hz-20KHz |
| Left and right channel separation: | >60dB |
| Bluetooth version: | Version 5.1 |