IOGEAR Multi-Link Bluetooth Keyboard with Touchpad GKM611B (Black/Grey) Pair with 6 Bluetooth Enabled Devices and Fast Switch Between Each Other Bluetooth 2.0 Technology Offers Greater Range up to 30 Feet Away from Your Computer Integrated Hot Keys Let Users Freely Quick Access to My TV, Videos, Pictures, Music, Volume Control and More RoHS Compliant 3 Year Warranty Device must support USB HID keyboard device and USB HID-compliant mouse Package Includes: 1 x Multi-Link Bluetooth Keyboard with Touchpad, 2 x AA Battery, 1 x Quick Start Guide, 1 x Warranty Card Computer / Device; Bluetooth Enabled Host Device,Operating System,Windows XP, Windows Vista (32-bit / 64-bit), Media Center hot keys are only supported with the operating systems that have Microsoft Windows Media Center Windows 7 (32-bit / 64-bit), Mac OS X v10.3.9