Weight: 57±2g Dimensions: 103×64×40mm DPI: 1600 (3 presets) Battery: 3 months (1×AA included) Buttons: 5 Connectivity: BT 5.1 + 2.4GHz Included: Mouse, USB dongle, AA battery, quick guide Seamlessly switch between Bluetooth 5.1 and 2.4GHz wireless (10m range). Connect to 2 devices simultaneously for flexible multitasking. Powered by 1×AA battery (included) with up to 3 months runtime. 90% noise-reduced switches ensure quiet operation for office/study environments. Asymmetrical shape (103×64×40mm) with thumb contour reduces fatigue during prolonged use. Weighs 57±2g for comfort. Compact size fits bags/pockets. Adjust DPI on-the-fly (1000/1200/1600).