Specifications:
1) Memory: built-in 128MB, 256MB, 512MB, 1G Flash memory
2) With USB Flash disk
3) 87.5 - 108MHz FM radio
4) Digital voice recording:
a) 128MB: 8hrs
b) 256MB: 16hrs
c) 512MB: 32hrs
d) 1G: 64hrs
5) Play time: 8hrs
6) Recording time: 500min, 128MB
7) Recording format: PCM, MS ADPCM, IM ADPCM
8) Backlight: 7 colors
9) Music format: MP3, WMA, WAV
10) Playback EQ: jazz, classic, rock, pop, normal
11) Power supply: Li-ion rechargeable battery
12) Data retention: 10 years
13) Power output: 5mW + 5mW (32?)
14) Frequency response: 20Hz - 20kHz
15) SNR analog output: ?90dB
16) Interface: USB2.0
17) Weight: 30g
18) Dimensions (L x W x H): 59 x 39 x 11.5mm

Inner packing:
1pc/gift box
Box dimensions: 175 x 140 x 45mm

Outer packing:
40pcs/ctn
Carton dimensions: 456 x 360 x 285mm