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Features:1) Polarized lenses (anti-scratch) and TR 90 frame
2) Available flash memory size: 128MB, 256MB, 512MB, 1GB
3) Compatible format: MP3, WMA, ADPCM
4) Standard USB port: USB2.0 (full speed)
5) Integrated USB drive
6) Play function: play in order, pause, resume playing
7) Delete function: delete current or all songs or recordings
8) Integrated microphone supporting ADPCM recording
9) Continuous playing time: 8 hours
10) Recharging time: 2 hours
11) 230mAh / 3.7V macromolecule polymer Li-ion recharging battery
12) Automatically detected battery voltage and capacity
13) Battery consumption saving function:
a) Automatic power off if no button pushed in 2 minutes under pause status
b) Automatic power off in 2 minutes when all tracks played
14) Voice output power: 5mW + 5mW
15) S/N ratio: 80dB
16) Working temperature: 5 ~ +50°C
17) Earphone output: 5mW + 5mW
18) Frequency response: 20Hz - 20kHz
19) Sampling frequency of voice recording: 8kHz
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