QS-868 Portable Mini HD Noise Reduction Digital USB Stick Voice Recorder, Capacity: 4GB

1. Recording format: WAV
2. Recording bit rate: 128KBPS
3. Continuous recording for 15 hours
4. Power supply: 3.7 110MHA
5. Support: Windows 2000 / xp / 7
6. Automatically save a file in two hours
7. Small size, easy to carry
8. One-click recording, easy to use
9. Transmission interface: USB 2.0