Specifications: With ergonomics and stylish design, the wireless mouse touches well. It has a variety of low power consumption modes. The curved wireless mouse can move more smoothly, bringing you the best using experience. With the folding design, it is more convenient to carry. Item Name: Wireless Mouse Material: ABS Optical Resolution: 1200dpi Wireless Transmission Frequency: 2.4GHz Operating Distance: 10m Number of Keys: 3 Interface: USB Adjustable Resolution: Three Gears and Below Battery: 2 x AAA Batteries (Battery Not Included) Features: Wireless, Arc-shaped, Low Consumption Size: 10cm x 8cm x 5cm(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: (Battery Not Included) 1 x Wireless Mouse 1 x USB Receiver