Specifications: 

1) Supports Mp3 and WMA

2) OS support: WIN98/ME/2000/XP/2003(No driver need for WIN98 or above

3) Built-in Mini USB full speed 2.0 interface for connecting to PCs

4) Blue backlight

5) USB Flash Drive with built-in 32MB-256MB memory

6) Recording format: WAV

7) Recording time: 64MB-4hours, 128MB-8hours, 256MB-16hours

8) Earphone output power: 5mW + 5mW

9) Dimensions (L x W x H): 69 x 10 x 23mm

10) Output frequency range 20Hz-20kHz 

11) SNR: 90dB

12) Recording quality: 8kHz