... LCD screenTouch screentwo touch Network equipment wired, wireless wifi support IEEE 802.11b / g, 3GBattery Lithium-ion polymer battery 1800mAh/7.4VResolution ... speaker 8Ω/1WMicrophone Built-in microphoneReset hole hidden (reset function)Adapter DC 9V 1.5ASupported picture formats JPG, JPEG, BMP, and ... formats MPEG1/2/4, MJPG, H263, H264Accessories charger, user manual, adapter