product 1.1.8 inch high-definition full-color screen, color interface display. 2. Support FM full frequency point transmission 87.5-108.0MHZ. 3. Support song loop mode (random loop, single loop, all loop, folder loop), EQ sound effect mode, folder browsing selection function. 4. Support U disk/TF card song name and folder name display. 5. Mobile phone for smart SIRI voice wake-up function, support -Android system. 6. Bluetooth-compatible answer, hang up, reject, redial and other functions. 7. Support Bluetooth-compatible stereo music playback. 8.Support Quick Charge3.0 output, 5V/3A 9V/2.5A 12V/2A MAX. 9. Automatic power-off memory function. 10. Support MP3, WMA, WAV format music playback. 11. Support navigation voice prompts. 12.Real-time display and monitoring of battery voltage. 13.Support heavy effect, high resolution, high performance, support multiple -audio format playback. parameter: Bluetooth-compatible version: Version5.0 MCU+DSP dual-core processor. Bluetooth-compatible sound processing: A2DP (Advance-Audio Distribution Profile) function. Rated working voltage: 12V~24V Ultimate working voltage: 9-26V USB1 output: for DC 5V/1A+U disk USB2 output: for DC QC3.0 fast charge 5V/3A 9V/2.5A 12V/2A Support U disk capacity: 1G-32G Support TF card capacity: 1G-32G Working temperature: 0-60 degrees Charging recognition: USB2 supports Quick Charge3.0 protocol Music format: MP3/WMA/WAV Frequency: 2.402-2.480ghz Signal to noise ratio: >60dB Distortion: