Material: ABS Color: As shown Features 1. Bluetooth answer, hang up, reject, and redial functions 2. Supports Bluetooth stereo music playback 3. Digital display 4. Supports USB flash drive playback (up to 32GB) 5. Supports colorful ambient light effects 6. Supports lossless music formats such as MP3, WMA, WAV, FLAC, and APE 7. Supports FM on-demand (87.5-108.0MHz) 8. Automatic power-off memory function 9. USB flash drive port supports 5V/1A mobile phone charging 10. C25 supports PD25W fast mobile phone charging 11. Supports mobile phone navigation voice prompts I. Technical Parameters Rated operating voltage: 12V-24V Maximum operating voltage: 8-32V USB1 output: 5V/1A USB2 output: 5V/3.1A Supported Music Formats: MP3/WMA/WAV/FLAC/APE Operating Temperature: Less than 70°C Battery Voltage Accuracy: ±1V Signal-to-Noise Ratio: Greater than 60dB Distortion: Less than 0.1% Frequency Response: 20Hz-20kHz Left and Right Channel Separation: 60dB Bluetooth Version: 5.0 Bluetooth Sound Processing: Supports A2DP (Advanced Audio Distribution Profile) Bluetooth Transmission Range: Less than 10m Bluetooth Microphone Effective Range: 0.5-2m Notes: 1. As we all know, different computers display colors differently. Actual product color may vary slightly from the image below. 2. Due to manual measurement, please allow 1-2cm deviation. Package Contains: 1 piece