Features: brand new and high quality Premium Compact Design: The built-in multimedia control function is an added feature that makes it easy to quickly use the keyboard, especially for HTPC. Allows users to get rid of cables and move wirelessly within 10 meters. Mini wireless keyboard with air mouse trackball, USB for nano dongle 2.4ghz RF remote control distance up to 10 meters. In some ways, the n5901 is the excellent replacement for traditional keyboards and mice, and can be used on any computer. For Windows 2000/XP/Vista and for Windows 7. Due to its small size, it can be held in your hand. Specifications: Model: N5901 Material: plastic Color: Black Weight: 190g Size: 124x135x25mm/4.88x5.31x0.98in Usage: Universal for TVs and computers Note: Power supply: 2pcs AAA batteries (battery not included) Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Air Mouse 1 x USB Receiver 1 x Manual.