LOGITECH MX620 CORDLESS LASER MOUSE BLACK 810-000536 WITH USB DONGLE (NEED BATT) | eBay
Logitech MX620 Cordless Laser Mouse (Black)
Logitech MX 620 Cordless Laser Mouse - Newegg.com
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
Lot of 2 Logitech MX620 Wireless Laser Mouse - No tranceivers | #1792414527
Logitech MX620 | The search key (top) -- i use it to activat… | Flickr