Enlarge / Logitech Signature M650 in the rose colorway. (credit: Scharon Harding) Specs at a glance: Logitech Signature M650 Sensor Optical (model not disclosed) Connectivity options Bluetooth Low Energy or 2. 4 GHz dongle Programmable buttons 3 Onboard profiles 0 Lighting None Size Standard: 4. 22×2. 43×1. 49 inches (107. 19×61. 80×37. 8 mm) Large: […]
