Logitech currently offers two keyboards and one other mouse that can connect to the Unifying receiver: The Wireless Keyboard K340 ($49.99), the Wireless Keyboard K350 (which adds media transport.Otherwise, if it is a Bluetooth mouse, you can make the connection using the computer’s settings. You can connect with your device using the receiver that is included with the mouse (Logitech Unifying). There are two ways you can do this depending on what the mouse supports.Logitech M705 Wireless Marathon Mouse for PC - Long 3 Year Battery Life, Ergonomic Shape with Hyper-Fast Scrolling and USB Unifying Receiver for Computer and Laptop - Black 4.5 out of 5 stars 12,183 $34.99 $ 34.G603 features our next generation HERO sensor, LIGHTSPEED wireless, Hi-Lo power management system and more high performance features that gaming enthusiasts demand. Pair G613 wireless mechanical keyboard with G603 wireless gaming mouse to acquire the complete wireless desktop solution.Pairing can take more than a few seconds. Expect to hear the usual audio signal that identifies that a device has been recognized by the computer (via the receiver interface). Then check whether the pairing attempt results in recognition. Be sure to turn the mouse ON before attempting pairing.