1. The furthest record distance: 20 m. According to the environment or need, you can choose a long or near distance recording mode 2. Memory: 1G-8G, recording time: 4h~100h 3. The USB data delivers quickly and the recording document can be updowned to a computer and keep permanently 4. Top recording effect, Clear tone, high fidelity 5. Can be used as Move hard drive 6. Music enjoy. Support music format: MP3, WAV 7. Have battery, and can be directly charged up with the USB 8. Large capacity Charger, USB charge directly or alternating current charge 9. While you are noting, it is recording 10. Fine appearance, convenient taking, easy operating 11. Pages inside can be paperbound or loose-leaf 12. According to the customers' requirement, notebook can be different size, and different thickness Accessories: USB cable, earphone, CD driver, battery, instruction charger. The applicable crowd: Business people, reporters, students, national civilians.