K3 Portable Professional Digital Audio Voice  Recorder  build-in 4GB/ 8GB  Dictaphone Multi-function MP3 Player 

Specification:

1. Memory capacity: 8GB
2. Record times: SHQ(192kbps): 5520mins
3. HQ(128kbps): 7680mins
4. SP(64kbps): 16920mins
5. LP(32kbps): 33120mins
6. Frequency: 20HZ-20KHZ
7. Max output: 300mW
8. Storage midea: embedded flash
9. Built-in mic: omni-directional microphone
10. Extenal: Dynamic 20mm,16ohm
11. S/N(ratio): 80db
12. Display: 128 x 64lattice screen
13. External input: Stereo earphone: 3.5mm stereo socket
14. Microphone: 3.5mm stereo socket
15. USB cable: PC interface USB 1.1/USB2.0
16. Recording format: MP3
17. Supported music file: MP3/WM
18. Battery(full charge): Recording: up to 20hour

we based on high quality and best service .
Plz feel free to contact me if there is any questions at any time , we are always at your service! to talk more,please kindly add my whatsapp:0086-18621285361

best regards,

Lily Tian