1. Housing material: aluminum alloy + ABS
2. Recording modes: voice-activated, Standard
3. Recording formats: MP3, WAV
4. Memory card type: expansion cards not supported
5. Display: color
6. Port: USB 2.0
7. Microphone: built-in
8. Number of microphones: bidirectional
9. Recording distance: approximately 10 meters
10. Video recording: not supported
11. Battery: 450mah lithium-ion battery
12. Voice-activated recording captures only spoken content, ignoring silence 7 adjustable voice activation sensitivity levels
13. 1536Kbps high-sensitivity microphone, noise-reducing recording
14. Dimensions: 101.5 x 32 x 12.5 mm
15. Weight: 75 g