DURAGADGET"s new mini bluetooth keyboard gives you the option of an external keyboard for your tablet, using state of the art wireless technology to connect to your device without the need for cables and plugs. Typing on the keyboard is much more like using your conventional PC, rather than a screen based keyboard, all in a package that fits in your pocket! The keys are low-profile and designed to give a tactile and responsive feel to your typing needs; this is the ideal accessory for your tablet if you dislike typing on a touchscreen keyboard. The mini bluetooth keyboard has a built-in charger for its long-life Li-ion battery, which can be connected through a micro-usb port (cable included).This device is designed to work with all major tablet operating systems that have bluetooth functionality. Bluetooth range of this product is 10 metres. This device uses broadcom 2042 chipset with wireless bluetooth 2.0 interface.Compatible with: Google Nexus 7