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- Polarized lenses (anti-scratch) & TR 90 frame
- Compatible format: MP3, WMA, ADPCM
- Standard USB port: USB 2.0 (full speed)
- Integrated USB drive
- Play function: play in order, pause, resume playing etc.
- Delete function: delete current or all songs or recordings
- Integrated Microphone supporting ADPCM recording
- Continuous playing time: 8 hours
- Recharging time: 2 hours
- 230mAh/3.7V macromolecule polymer li-ion recharging battery
- Automatically detected battery voltage and capacity
- Battery Consumption Saving function: Automatic power off if no button pushed in 2 minutes under pause status
- Automatic power off in 2 minutes when all tracks played
- Voice output power: 5mW + 5mW
- S/N Ratio: 80dB
- Working temperature: 25-115F
- Earphone Output: 5mW + 5mW
- Frequency response: 20Hz ~20kHz
- Sampling frequency of voice recording: 8KHz
- Compression level: 32Kbps~320Kbps
- Share same USB port for Download, Upload and Recharg
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