Features:100% brand new and high qualityWinter USB heating mouse can regulate the temperature, intelligently timing temperature control.USB safe power supply. 3 temperature levels for your choice, which can be adjusted accoring to your need,with heating on off switch.The 3-button ergonomic mouse adopts a symmetrical design, which fits perfectly with your palm and universal for left and right hands, allowing players to experience the most comfortable gaming experience.Ergonomically designed,long-term use without fatigue. Intelligent connectivity, plug & play.Suitable for PC, Computer, Laptop, Desktop USB port, as a gift for Student, friends and more.When you are working or playing in cold weather,this heating mouse not just warm your palm, but also your fingers. Package Includes:1x USB Heating Mouse Specifications:Material: PlasticColor: BlackButtons: 3 KeysTracking Systems: OpticalMax DPI: 1600 DPIMouse Size: approx. 11.5x6cm/ 4.53x2.36inUSB cable length: 150cm/ 59.06in note:Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.