1、ERGONOMIC DESIGN: Heated mouse is ergonomically designed to feel comfortable in your hand and avoid hand fatigue during long hours of use. 2、ZINC ALLOY: Heated wired mouse is made of zinc alloy, fast and efficient heat transfer, making the mouse heat up quickly. 3、GRAPHENE HEATING PIECE: Fast and uniform heating, good flexibility, good tensile strength, not easy to break, stable heating, high security. 4、TEMPERATURE SENSOR: Temperature sensor real time monitoring of the heating temperature, to maintain a constant temperature of 38℃ or 41℃. 5、HEAT INDICATOR: Hand warming mouse with heat indicator, green light indicates low temperature 38℃, blue light indicates high temperature 41℃, the mouse state at a glance. 1 x Heated Mouse1 x Instruction Manual Item Type: Heated MouseMaterial: ABS, Zinc AlloyHeat Generation Material: GrapheneHeat Control: 3 Gear Power Toggle Switch (Off, Low Temperature, High Temperature)Heat Indicator: Low Temperature 38 ℃: Green Light; High Temperature 41 ℃: Blue LightNumber of Keys: 3Heating Current: 150‑600ma