Specifications:

• Reliable wireless connection, wherever you use the keyboard. The Logitech Unifying receiver is a small wireless receiver that can stay in your laptop's USB port. It's just for adding devices when you need them. Connect. Forget. Add. You can simply accomplish more in less time with eight hotkeys that give you direct access to music, e-mail and more.
• The keyboard is powered by two LR06(AA) batteries (included). Thanks to the smart energy saving function, it takes years before you need to change the batteries.
• The keyboard in the picture shows a different layout than the actual layout of the product.
• Dimensions (WxDxH): 454x159x31mm