Specifications:
1) Music file format: MP3 & WMA
2) Built-in memory: 64M/128M/256M (optional)
3) Display: LCD display, blue backlight
4) Multi repeat function: Normal/Current one/All/Selected section (A-B)
5) EQ control: Normal/Classical/Rock/Jazz/Pop
6) Frequency response: 20Hz- 20,000Hz
7) Distortion: <0.1%
8) Signal/noise rate: 90dB
9) Interface: USB 2.0
10) Power source: 1 x AAA 1.5V battery
11) Output power: 5mW+5mW (adopts 32Ω stereo earphone)
12) Dimensions: 90mm x 29mm x 21mm
13) Weight: 34g