... 3)low power dissipation New! MMP1000 - 320*240 LED Mini Multi-media Projector – AV-IN, USB,SD Card ,USB flash disk,built ... ,Built -in li-ion battery,770mAH Audio&Video Output3.5mm stereo headphone out,external audio connection. USB 5PINConnecting PC,memory disc ... .8kg Gross weight8.4kg New! MMP1000 - 320*240 LED Mini Multi-media Projector-AV-IN, USB,SD Card ,USB flash disk,built ...