... 2GB (16Gbyte),8GB maxExternalMax support 32GB TF cardCamera 0.3 M pixelsAudioDecoderI2S Codec support 2.1 channel output , ... 1. Power On/Off button on IO board2. Menu button on IO board3. Return button on IO board4. Lock button on IO boradG- ... sensor ControlSupportWirelessWIFI802.11 b/g, 2pcs antenna3GUSB Dongle,WCDMA,EVDO(Option)PowerBattery1-cells Li-ion Polymer Battery, 3000mAH 3 ...