... format), mouse (display cursor), 3G Wireless USB AdapterAudio:Built-in dual stereo speakers, support for headphones, built-in microphoneBattery: Rechargeable lithium ... .264, VC-1, H263, MPEG4, VP6, MKV (H.264 HP) Audio Player: Support MP3/WMA/WAV/AAC/AAC + Send and receive ...