Product Description Color: White, Black 1. [Slim, Lightweight, and Travel-Ready]: Ultra-thin and lightweight, the Arc Mouse goes anywhere without the weight or bulk of traditional mice. Plus, you can snap it flat and easily slip it into your back pocket or bag for travel. 2. [Design, Refined]: The Arc Mouse features an audible, satisfying snap. Simply snap the Arc Mouse into its curved position to turn it on. Snap again to flatten and turn it off. The overall design is optimized for the most comfortable, natural interaction. 3. [Intuitive Interactions]: The Arc Mouse allows you to scroll both vertically and horizontally for easier, more intuitive navigation. Plus, enjoy precise tracking, with optimized left and right clicks. 4. [Beautifully Crafted]: The Arc Mouse boasts a slim, smooth, understated design that's easy on the eyes and fits beautifully into your workspace. From the scroll plane to the tail, the Arc Mouse is soft to the touch and meticulously crafted to sit comfortably in your hand. 5. Ultra-thin wireless folding mouse Dimensions: 131*55*15mm. Battery: 2 AAA alkaline batteries (not included).