Description 1. Compact Design & Quality Build: This optical mouse is meticulously crafted from plastic, offering a reliable and comfortable feel. Its compact dimensions of approximately 11.5 cm x 3.4 cm (4.53" x 1.34") ensure a perfect fit for various hand sizes and easy portability. 2. :Innovative Hand Warming Feature: Elevate your comfort with the unique three-level heating function, a key supplementary selling point. This mouse is engineered to quickly warm your hand, providing soothing relief and enhanced comfort, especially in cooler environments, significantly improving your user experience. 3. High Precision & Ergonomic Performance: Powered by a 1600 DPI optical engine and a high-sensitivity infrared photoelectric sensor, this mouse delivers remarkably precise and stable tracking, virtually eliminating skips and delays. Its ergonomic and symmetrical design ensures comfortable use for both left and right-handed users, boasting a lifespan of up to 5 million clicks and 250 kilometers of smooth sliding. 4. :Seamless Connectivity & Broad Compatibility: Experience immediate functionality with its simple USB plug-and-play setup, requiring no additional drivers. Safely powered via USB, it features intelligent compatibility with a wide of devices, including laptops, desktop PCs, smart televisions, and tablets. The robust steel core wire further enhances its connectivity. 5. Smooth Navigation & Ample Reach: Navigate web pages and documents effortlessly with the responsive 3D anti-slip scroll wheel, designed for precise control. The mouse comes with a generous cable length of 150 cm (approximately 59 inches), providing ample reach and flexibility for your setup without restrictive tangles. Package list Mouse*1