💻【Optical Trackball Mouse Keyboard Combo】—— Optical-sensor trackball controller strengthens the touch experience and ensures flexible control of the laptop or when there is no mouse. Works great from the sofa compatible with browsing internet, social networking, web browsing, gaming. 💻【2.4GHz Wireless Trackball Mouse Keyboard Combo】—— With included interface adapter, no driver needed, plug and play. 2.4GHz wireless connection, enjoy up to 10 meters wireless control. 💻【Unique Scroll Wheel Design】—— The bottom right corner of the keyboard has the mouse left and right keys and scroll wheel which can randomly turn between two directions. With unique X-Structure, comfortable and soft feel buttons have nice tactile feedback,not fragile after long type. 💻【Portable Mini Keyboard】—— Appropriate keyboard fits great in both hands,the keys are a lot easier to type.There is a click button on each corner compatible with your index finger like game controller.Designed not only compatible with media centre but also compatible with work and play games. 💻【Wide Application】—— Compatible with Android, Windows and Linux . Suitable compatible with 360, compatible with PS3, / , Android Box, Laptop, projector and so on. 2.4GHz Wireless Keyboard w/Trackball Mouse This is a 2.4GHz wireless mini keyboard and trackball mouse combo, with interface receiver. Plug and play, simple and smooth. The mini keyboard ensures convenient typing, and you can control your devices on your couch. Stable Connection 2.4GHz Wireless Connection With included interface adapter, no driver needed, plug and play. 2.4GHz wireless connection, enjoy