Come and see our amazing products. Smart surge protection via fuse mode, dual smart chips with high speed charging.Incredible quality, aluminum alloy rim, pure copper USB contact point, more durable.Built in overcurrent, overvoltage protection, support trickle charge and safeguard the charging status.Wide Compatibility, suitable for most phones/tablet/pc/navigator/PDA/PSP/MP3/MP4/GPS, and other digital devices.Monitor car battery voltage real-timely(When no device connected for charging); Display charging current when phone is charging.3.1A super-high current output, with intelligent distribution based on different devices, it adjusts the output on the basis of the saturability of battery momentarily, and charges your device at high speed while under strong protection. Pls confirm with us about the packing info, stock color and exact production time before placing your order.