Features: brand new and high quality Mini adapter for plug and play. Wireless transmission, the longest sensing distance can reach 10-15m/32.81-49.21ft. Lightweight, easy to carry and store. Power switch for saves electricity. With 6 keys, including scroll wheel, forward and back buttons, easy for Internet surfing. Working distance of up to 10m/32.81ft. Package Includes: 1 x Wireless Mouse Specifications: DPI: 2000 DPI Power: 2 x AA Batteries (not Including) Mouse Type: Wireless Optical Mouse Interface: USB Net Weight: 54g Gross Weight: 57g Color: matte black, rubber black, blue, red (optional) Product Size: approx. 100x65x35mm/3.94x2.56x1.38" note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement.