Innovative laser projection keyboard＋power bank, its two-in-one function with capacity of 5600mAH specially provides your mobile smart devices with data input function and also can charge a typical smart phone and tablet PC for more than 3 times. It can be easily connected with all Bluetooth HID devices including latest iPhone, iPad and Android smart devices and also can be Plug and Play with  Windows system with the advantage of compact design, easy to use, portable mobility.