Specifications:
1) Support card type: SD/MMC (16MB/32MB/64MB/128MB/256MB)
2) Power supply: build-in 3.7V Li-ion battery
3) Play time: about 8 hours
4) Dimensions: 57 x 55 x 15mm
5) Shell: aluminum alloy
6) Displayer: 96 x 26 dot matrix LCD, ID3
7) SNR: above 85dB
8) Earphone output power: 5mW + 5mW
9) Output frequency: 20HZ - 20kHZ
10) Record sampling frequency: 8kHZ/32kHZ
11) Music format: MP3/WMA
12) Recording format/time: ADPCM/about 50 hours (with 128MB)
13) Supported compression rate: 32kbps- 256kbps
14) THD: < 0.01%