The mouse, which has ergonomic design, fits the curve of the hand, making you feel comfortable. The wireless mouse is very convenient to use, because it is connected to the computer by a receiver and it is plug and play and can automatically connect. It is constructed of ABS material. The length of the product is 11 cm, the width is 6.8 cm, the height is 3.8 cm. It is suitable for home and office. Item Name: Mouse Material: ABS Features: Long Standby Time, Ergonomic Design, Power-saving Button: 6 Buttons Battery: 2 x AAA Batteries (Not Included) Size Details: 11cm x 6.8cm x 3.8cm/1 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