Koolertron Ultra Slim 2.4GHz Wireless Fun Modern Keyboard Mouse Combo Set with Sharing Nano USB Receiver for Desktop Laptop and Macbook (Green) The round keys are very unique and modern Advanced 2.4 GHz wireless is as reliable as a corded connection 10-meter range-work or play in more places like your comfy couch Plug-and-play wireless receiver, the nano receiver is inside the battery compartmentof the mouse Sensitive keys: For instant access to the Internet, e-mail, music volume and more