N5901 2.4GHz Air Fly Mouse Mini Wireless Multimedia Remote Control Keyboard with Trackball for HTPC Android TV Box     Descriptions:     High quality compact design: The built-in Multimedia Control feature is an additional feature that makes it easy to use the keyboard quickly, especially for HTPC. It allow users to get rid of cords and move wirelessly within 10 meters.      Mini wireless keyboard with trackball air mouse, USB nano dongle 2.4GHz RF remote control distance up to 10 meters.     In some ways, the N5901 is the perfect replacement for traditional keyboards and mice, and it can be used on any computer.          Features:     - Pocket keyboard and mouse 2 in 1     - Maximum distance up to 10 meters     - Ultra-small USB receiver     - With Windows media control keys     - Ultra-light design     - Provides convenient and comfortable remote control for living room video operation     - 2.4G mini wireless keyboard air mouse with trackball     - With a full QWERTY keyboard and trackball     - Uses 2.4G wireless connection, Windows multimedia control and full control, control distance up to 10 meters     - Compatible with Windows 2000/XP/Vista and Windows 7. Due to its small size, it can be placed in your hand          Specifications:     Model: N5901     Power supply: 2*AAA batteries (battery NOT included)     Color: Black     Material: plastic     Size: 124x135x25mm/4.88x5.31x0.98"     Weight: 190g     Use: universal for TVs and computers          Notes:     1. There may be slight size deviations due to manual measurement, different measuring methods and tools.     2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.                              1 X Air Mouse      1 X USB Receiver      1 X Manual