1) 1.Polarized lenses (anti-scratch) & TR 90 frame
2.Available flash memory size: 1GB,2GB.4GB
3.Compatible format: MP3, WMA, ADPCM
4.Standard USB port: USB 2.0 (full speed)
5.Bluetooth's effective deistance is ten meters.
6.Play function: play in order, pause, resume playing etc.
7.Delete function: delete current or all songs or recordings
8.Integrated Microphone supporting ADPCM recording.
9.Continuous playing time: 8 hours
10. Recharging time: 2 hours
11. 230mAh/3.7V macromolecule polymer li-ion recharging battery
12. Automatically detected battery voltage and capacity
13. Battery Consumption Saving function: a- Automatic power off if no button pushed in 2 minutes under pause status b- Automatic power off in 2 minutes when all tracks played
14. Voice output power: 5mW + 5mW
15. S/N Ratio: 80dB
16. Working temperature: -5 ~ +50Celsius
17. Earphone Output: 5mW + 5mW
18. Frequency response: 20Hz ~20kHz
19. Sampling frequency of voice recording: 8KHz
20. Compression level: 32Kbps~320Kbps
21. Share same USB port for Download, Upload and Recharge
22. CE & FCC certificate Packing: Inner packing: 1pc/gift box
Outer packing: 50pcs/ctn
Carton dimensions: 44 x 39 x 55cm