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1) Audio formats: MP3 / WMA / WAV
2) TF card up to 16GB 3) S / N: ≥86DB 4) Output frequency: 20Hz-20KHz 5) Battery: Li-PO battery 6) USB: USB 2.0 7) Operation system: Windows 98 / 2000 / XP 8) Playtime: up to 6 hours 9) Working temperature: -10~45 degree |
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