... Built-in Microphone, Electronic Anti-Shock- Back Sight Control, Hand Brake Control, Remote ControlDescription of Detachable Panel -- Car PAD/ ... WiFi: Built-in High performance, low power consumption, WiFi:802.11 b/g-3G: 3G Universal Drive Support external USB Dongle ... 3000mA / 3.7V Li-Battery-Microphone: High sensitivity input, right&left channel-Size: 170*103*15mm-Weight: 415g-Languages: Chinese, ...