Logitech MX5500 Revolution Bluetooth Cordless Keyboard & Mouse DUAL English/Korean Keypad Power 110V-240V FREE Worldwide Multi Plug Logitech MX5500 Revolution Bluetooth Cordless Keyboard & Mouse DUAL English/Korean Keypad Power 110V-240V FREE Worldwide Multi Plug A laser mouse with hyper-fast scrolling and a keyboard with an integrated LCD to give you the speed you need. And the control you crave! Worldwide Free Volt 110 to 240V FREE Worldwide Multi Plug Rapid charging stand: Eliminates the need to change batteries. Precise, click-to-click scrolling: Switch from rapid scrolling to click-to-click for navigating lists, slides, and images. Keyboard Color - Black Connectivity - Wireless Mouse Color - Black