1. Recording format: WAV, MP3 2. Recording time: 20000 (minutes) 3. Video: Does not support video shooting 4. Product size: 100x21x8MM 5. Material: aluminum titanium alloy + back clip design 6. Using three-microphone dynamic noise reduction technology, the recording distance can be increased to 100 meters (specific environment test), high-definition recording Chinese display, to meet your work needs 7. DSP acoustic noise reduction, Intel high-speed flash memory chip, save recording files quickly 8. Digital encryption makes recording files more secure 9. Intelligent voice control, you can set the recording time and start recording intelligently 10. Other functions: support multi-music format playback/record while charging/monitor recording/save when power off/delete files 11. Packing list: earphone, data cable, manual