Professional voice recorder 32GB 64G 128G portable recorder recorder digital recording equipment long time recorder Features: 1. Acrylic one-piece shell is used, which has strong drop resistance 2. Timestamp, naming recording files by date automatically 3. Real-time monitoring of recordings/hearing aids Function 4. Can be used as audio recorder, MP3 and USB drive 5. Playback function: wired USB adapter, previous/next file button 6. No speakers, no sound 7. Support voice activation mode 8. Detect low battery and save recording files Automatically before power off 9. Built-in rechargeable 100mAh lithium battery 10. One-click recording, one-click saving audio. 11. USB 2.0 plug 12. Color: Black Specification: 1. Recording format: WAV 2. Music playback format: WMA/FLAC/MP3/APE/OGG, etc. 3. Battery recording time: about 12 hours 4. Battery: 100mAh lithium battery 5. Memory capacity: 8GB to 128GB (subject to the actual product) 6. Recording method: recording 8. Recording quality: 384kbps, 192kbps, 128kbps, 64kbps, 32kbps 9.USB interface 2.0 10. Operating temperature: 0 to 45 degrees 11. Headphone jack: 3.5mm, dual track 12. Signal to noise ratio: 80db 13. Dimensions (mm): 142*11(L*W*T) (subject to the actual product) 14. Net weight: 37g 15. Compatible system: Windows 2000 and above 16. Use: daily, meeting, training, learning