CORSAIR KATAR PRO XT Ultra-Light Wired Gaming Mouse | GameStop
Corsair Katar Pro Wireless - The most affordable wireless
More info on the Corsair Katar Pro (Wireless), 69 grams for the wired, 96 for the wireless (Uses AA so could be lighter), 3327 for the wired, 3325 for the wireless (?) : r/MouseReview
Corsair Katar Pro Wireless thoughts : r/MouseReview
Corsair KATAR PRO WIRELESS Gaming Mouse (10,000 DPI Optical Sensor, Black 840006623809 | eBay
Corsair Katar Pro Wireless Gaming Mouse Review - Page 2 of 4 - ThinkComputers.org