Brand Logitech Colour Gray Connectivity technology USB, WLAN Special feature Type of motion detectionOptical Movement detection technology Optisch About this item Mouse Size (height x width x depth): 59.8 x 99.5 x 38.6 mm. Mouse weight (including battery): 75.2 g. Receiver (height x width x depth): 14.4 x 18.7 x 6.1 mm. Sensor: optical. Resolution (DPI): 1,000.