On sale! (normally $29) The mBeat Gorilla Power Duo 3.4A Dual USB Ports Smart Charger can simultaneously detect and charge the devices at a safe charging speed. It features built-in smart charging technology, which gives the charger the auto detect technology for connected devices to deliver the optimised and safe charging output to each device according to their requirement. With built-in safety protection against short-circuit, over-voltage, over-charging and over-heating as well as a compact design to maximise portability, the Gorilla Power Duo is ideal for travelling.