This mouse has scientific ergonomic design, which makes the wrist healthy, the arm position smoother and the overall pressure less. Wireless mouse supports 3 gears of 1000/1200/1600DPI adjustment functions, which makes it position more precise. It is constructed of ABS material. The length of the product is 10cm, the width is 6.8cm and the height is 3.8cm. The mouse is suitable for girls, home, office and so on. Item Name: Mouse Material: ABS Number of Keys: 5 Keys Support System: for Windows 7/8/10 Features: Mute, Quick Response, DPI Adjustable Size Details: 10cm x 6.8cm x 3.8cm/3.94" x 2.68" x 1.5" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Mouse