2.4GHz wireless technology, can achieve 10 meters wireless. Can realize the three-speed regulation of the resolution frequency switching (1000dpi-1200dpi-1600dpi). Automatic sleep power-saving function, intelligent sleep saves electricity, more durable. The shortcut button can be used to browse the Internet or applications, easy to implement the "forward" and "back" functions on the toolbar. High-performance wear-resistant bottom, easy to achieve barrier-free sliding. Type: Wireless Mouse Material: ABS DPI: 1000DPI-1200DPI-1600DPI (Adjustable) Keys: 4 Keys Battery: 2 x AAA Battery (Not Included) Wireless Distance: 10m/33ft (Approx.) Features: Wireless, Portable, Adjustable DPI, 4 Keys, Easy to Use Length: 8cm/3.15" (Approx.) Width: 4.5cm/1.77" (Approx.) Height: 3.5cm/1.38" (Approx.) Notes: Due to the light and screen setting difference, the color of item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: (Battery Not Included) 1 x Wireless Mouse 1 x USB Receiver