NIB Logitech C-UV35 USB Bluetooth Receiver MX5000 MX5500 MX Revolution (830-00-0 399300014184 | eBay
Logitech Unifying Receiver | www.shi.com
Amazon.com: Zotech Replacement USB Receiver for Logitech MX 5500 Revolution M/N Y-RBF91 (Keyboard), M-RCL124 (Mouse) : Electronics
Logicool Logitech M705m wireless mouse wireless mouse Unifying 7 button fast scrolling battery life up to 36 months charcoal windows mac chrome - want.jp