SK6 0.8-inch LED Screen Interview Recorder USB Rechargeable MP3 Player 1. CPU model: JLI 2. CPU frequency: 24KHZ 3. Music playback format: MP3, WMA, OGG, APE, FLAC, WAV, AAC-LC, ACELP, etc. 4. WAV format (512Kbps.1536Kbps), MP3 format (64Kbps.192Kbps) sampling frequency 5. Headphone interface: 3.5MM stereo interface 6. Headphone MAX output: (L) 9mW＋(R) 9mW (32Ohm) 7. Interface: 3.5MM interface 8. Screen: 0.8-inch LED display, resolution 128 x 64 9. Built-in MIC: non-directional capacitor microphone 10. Recording current: 8mA-13mA 11. Frequency: 24Hz 12. Distortion: 90dB 13. Signal-to-noise ratio: 0.06% 14. Built-in speaker: Dynamic 2510mm, 8ohm 15. Built-in speaker output: 800mW 16. Battery capacity: 200mAh lithium battery3.2-4.2V 17. Power supply time: about 20 hours of recording, about 10 hours of playback (plug in headphones) 18. Product size: about 91.5 x 34 x 13mm 19. Product weight: about 44.6g (bare metal) 20. This product is measured manually, and there may be errors of 0.1-0.2mm and 0.1-0.2g in length and weight; there may be a slight color difference due to display and light problems. Please refer to the actual product!