Fast Charging: Boost Dual USB travel charger adapter with Micro USB cable has been made to supply a maximum of shared 2.4A current to your units. That way, you are guaranteed a fast charge, no matter which port you use. Boost travel charger allows you to charge your devices while keeping a maximum power output of 12W. That allows for the optimum charging of any and all devices you connect to the charger while also giving you less risk of electrical damage to connected devices. Universal Compatibility : Boost is universally compatible to all type of connected charging cables – Micro USB / Lightning & Type C. Boost is connector agnostic. Charge any USB cable and charge any personal device.