K2 Ultra-thin Card Voice Recorder 4GB

K2 Ultra-thin Card Voice Recorder
1. Lightweight and portable, does not take up your space 150 hours of continuous recording
2. As thin as only 4mm
3. Battery capacity: 750mAh
4. HD noise reduction
5. When there is sound, start recording, stop recording without sound, improve efficiency and save memory
6. Comes with delete function, can be deleted on this machine
7. Save automatically when power off
8. Recording format: WAV
9. Play format: MP3/WMA/WAV
10. Charging time: about 3 hours
11. 4G: can save 48 hours of recording files; 8G: can save 96 hours of recording files; 16G can save 192 hours of recording files; 32G can save 384 hours of recording files
12. Product size: 86x54x4mm
13. Product weight: about 33.2g