Specifications:
1) Size: 70 x 54 x 16
2) Weight: 28g
3) USB: standard USD1.1 port
4) Segmental LCD display
5) SNR: 90dB
6) Frequency response range: 20Hz-20kHz
7) Music sampling rate: 32-210kbps
8) Storage Temp: -20~55?
9) Operating Temp: -10~55?
10) Operating relative humidity: 20-90% (40?)
11) Storage relative humidity: 2-93% (40?)

Features:
1) Built in 128/256mb flash memory (optional)
2) Music file format: MP3.
3) SD/MMC card supported.
4) A-b repeat
5) 3 equalizer modes: jazz, classical, pop.
6) 6 hours playing time on 1 AAA battery

Inner packing:
Dimensions: 81 x 36.1 x 16.5mm
Weight: 27.5g

Outer packing:
Dimensions: 176 x 137 x 55mm
Weight: 250g