Wireless freedom and multimedia functionality can be yours with this BTC Wireless Media Control keyboard. This BTC keyboard features a built-in 1000 dpi Laser Trackball with precision cursor movement and an MCE start button with one button to quickly launch Media Center PC functions. WIth the integrated trackball and built-in mouse pointer working on spreadsheets and surfing the Internet has never been easier! Work without wires at up to 30 feet with an ergonomic design that lets you work in comfort! Use the hot keys to access multimedia applications!