Video format: RM, AVI, RMVB, FLV, MP4, DAT, MKV, MPG, MOV, TS, FLV. Headphone port: 3.5mm. 1 3.5MM earphone. You can listen to music for about 24 hours, it takes 2 hours to finish charging and it can be used in video or Bluetooth mode for about 7-8 hours.
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