Specification:1. Brand: Skyee2. Item: Wireless Mouse3. Color: Black, Grey, Red4. Connection: 2.4GHz Wireless5. Resolution: 800-1200-2000DPI Adjustable6. Keys: 6 Keys(Left Button, Right Button, Scroll Wheel, Forward Button, Backward Button, DPI Switch)7. Power Supply: 2 x AAA Battery(Not included)8. Size: 112 x 38 x 37mmFeatures:1. Mini USB receiver, plug and play.2. Wireless transmission, the longest sensing distance up to 10-15 meters3. Portable and weight light, very convenient to carry and store4. Power switch for save power5. With page forward and backward buttons for easy Internet surfing.Package Included: 1 * Skyee 2000DPI 2.4GHz Wilreless 6 Key Portable Optical Mouse for Desktop PCs Laptops