Operating frequency: 2.4GHz Operating distance: up to 33ft (10m) Operating time: up to 6 months battery life Keypad life cycle: > 10 million cycles Sleep mode current consumption: 15uA System Requirement: PC computer with an available USB port Windows® 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit) / Server 2003 & 2008 (32-/64-bit) / 2000 [...]

Normal Keys: 89 Type: Bluetooth Power Supply: 2 AAA Batteries Distance: 100 ft. (max) Operating System Supported: Windows 98 SE/2000/ME/XP and Vista Features: Connect button for quick and easy Bluetooth connectivity. Slim and elegant design. LED indicator to show pairing, connecting, and battery status. Complies with Bluetooth v2.0, Class 2 output power and HID profile. [...]

Bluetooth Wireless Technology Low Profile Scissor-Switch Keys Built-In Touchpad, Eliminating The Need For A Mouse ON/OFF Switch, Saving Battery Life Windows 7, Vista And XP Operating Systems Adesso WKB-4000BB SlimTouch Wireless Keyboard Price $130