Function 1. Supports MP3/WAV recording format 2. Condenser recording microphone, the effect is clearer 3. When connecting the junction box, you can record phone content, which is more convenient for office work 4. Supports voice-controlled recording, automatically records when there is sound, and automatically saves when there is no sound 5. Lossless playback of music files such as MP3, WMA, APE, FLAC, OGG, etc. 6. Supports external speaker playback, the sound is clear and pleasant 7. Supports single song and full loop operation function 8. Driver-free USB function, easy to upload and download files 9. Automatically saves recording files when power is low 10. Supports one-key recording function, one-key save recording function 11. Repeat function, select A-B two time points to repeat playback 12. Clock function, records accurately the generation time, convenient for query Parameters Shell material: PC plastic Display: monochrome Recording quality: WAV 1536Kbps, standard MP3 192Kbps Battery: 3.7V 230mAh Recording time: about 10 hours Playback time: about 4 hours for amplifier, about 11 hours for headphone playback USB interface: Micro USB Product size: 9.6x3.2x1.1cm Net weight: 35.4g