The LapCabby Boost+ is a portable charging solution for up to 16 USB devices such as tablets mobile phones e-book readers cameras and activity trackers. Perfect for use in the office or classroom.With Intelligent Charge capabilities each port recognizes the exact make and model of the device and determines the right amount of power to charge efficiently and safely so it never over or under charges. Once the device is fully charged the Boost+ recognizes the battery is full and ceases to provide power.Compatible with any USB device for charging making it incredibly versatile in any environment. Link two Boost+ together to charge 32 devices simultaneously whilst still only using one IEC power cord.