Name: M320 mouse Color: silver gray Connection method: 2.4 Hz wireless technology Size: 111.3 * 61.9 * 38.8mm Receiver type: Nano receiver Weight (battery included): 100g Sensitivity: 1000DPI Battery model: 1 AA battery Interface type: USB System requirements: window7 / window8 / window10 / windowXP compatible with Mac Features: Functional and Comfortable Design: This mouse is clever and its streamlined shape gives you comfort. Whether you are right-handed or left-handed, it can prevent fatigue even after working for a long time.