How to Pair LOGITECH Performance MX mouse with non-Unifying Receiver (for PC) - YouTube
New Logitech MX620 Cordless Laser Mouse 97855044822 | eBay
Logitech 910-000240 model MX-620 Cordless Laser Mouse, Wireless Pointing Device Connectivity Technology, Radio Frequency Pointing Device Wireless Technology, Laser Movement Detection, Tilt Wheel and Scroll Wheel Scroller, Right-handed Only Design, US