Wireless Laser Projection Bluetooth Keyboard; Built-in Battery; Works with Android Windows Mac and iOS Wireless Laser Projection Keyboard with Bluetooth connection; Built-in Battery and which works with Android Windows Mac and iOS. Combining portability with functionality this ultra portable is the solution for a portable keyboard which doesn't take up much space. Pocket sized it will project a full sized keyboard on any flat surface and using laser tracking technology keystrokes will be detected up to 400 characters per minute. Compatible with Android iOS Windows and Mac this state of the art device can be used with virtually any smart phone tablet PC and laptop for a smooth and fast way of text input. The important feature is its power bank up to 7800mAh which can recharge your mobile phone.