Product Description Color: white, black 1. [Slim, Lightweight, and Travel-Ready]: Ultra-slim and lightweight, the Arc Mouse goes anywhere without the bulk of traditional mice. Plus, you can snap it flat and easily slip it into your back pocket or bag for travel. 2. [Designed to Snap, Simplified]: The Arc Mouse features an audible, satisfying snap. Simply snap the Arc Mouse into its curved position to turn it on. Snap it again to flatten and turn it off. The overall design is optimized for the most comfortable, natural interaction. 3. [Intuitive Interactions]: With the Arc Mouse, you can 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 pleasing to the eye and fits beautifully into your workspace. From the scroll plane to the tail, the Arc Mouse is soft to the touch and carefully crafted to sit comfortably in your hand. 5. Ultra-thin wireless foldable mouse, Dimensions: 131*55*15mm. Battery: 2 AAA alkaline batteries (not included).