... .DIY For Your Customize 7" Android tablet PC Product specification: Processor: VIA 8650, 600Mhz, DSP 300Mhz screen: 7" 16:9, ... Speaker: built-in stereo speaker Interface: OTG digital Support Hard disk,digital Camera,Mobile,USB,card reader and can be connected ... , keyboard, USB disk Charging: small type charging port,DC9V input Earphone/Video: 3.5mm earphone+composite video output Key Button: Touchable ...