This is a super small and lightweight mouse from Logicool. It's small enough to fit in your pocket, making it very convenient to carry around. The USB receiver is also ultra-small and can be used simply by plugging it into a USB slot. If you're looking for a small mouse, this product is highly recommended. *No accessories are included. Only the product in the photos will be packaged and shipped. [Size] 81.9mm (length) x 49.4mm (width) x 31.8mm (thickness) [Weight] 53.7g [Battery] Alkaline AAA battery x 1 Thank you for viewing.