Fangrui Product Details 1. Sk6 0.8-inch Led Screen Interview Recorder Usb Rechargeable Mp3 Player 2. Cpu Model: Jli 3. Cpu Frequency: 24khz 4. Music Playback Format: Mp3, Wma, Ogg, Ape, Flac, Wav, Aac-lc, Acelp, Etc. 5. Wav Format (512kbps.1536kbps), Mp3 Format (64kbps.192kbps) Sampling Frequency 6. Headphone Interface: 3.5mm Stereo Interface 7. Headphone Max Output: (l) 9mw(r) 9mw (32ohm) 8. Interface: 3.5mm Interface 9. Screen: 0.8-inch Led Display, Resolution 128 X 64 10. Built-in Mic: Non-directional Capacitor Microphone 11. Recording Current: 8ma-13ma 12. Frequency: 24hz 13. Distortion: 90db 14. Signal-to-noise Ratio: 0. 15. Built-in Speaker: Dynamic 2510mm, 8ohm 16. Built-in Speaker Output: 800mw 17. Battery Capacity: 200mah Lithium Battery3.2-4.2v 18. Power Supply Time: About 20 Hours Of Recording, About 10 Hours Of Playback (plug In Headphones) 19. Product Size: About 91.5 X 34 X 13mm 20. Product Weight: About 44.6g (bare Metal) 21. 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!