UltraProlink Boost 12M 2.4A/12W USB Fast Charging Wall Charger/Travel Adapter with 1m Micro USB Charging Cable Boost 12M USB travel charger adapter with Micro USB cable has been made to supply a regulated current of 2.4A to your devices to guarantee a fast charge. Boost 12M  travel charger allows you to charge your devices while keeping a maximum power output of 10.5W. That allows for the optimum charging of any devices you connect to the charger while also giving you less risk of electrical damage to the connected devices.