Fangrui Product Details Condition: Brand New 2.4ghz Wireless Mouse With Bow Bridge Design Arc Mouse Folds Up To Of Its Fully Expanded Size When You Are Travel Scroll Up And Down Directly Without Losing Hands Alkaline Battery: Aaa X 2 Pieces (battery Not Included) Color: Purple Material: Abs Compatible With Mac / Microsoft Windows 8 / Windows 7 / Windows Xp / Vista Optical Positioning, Precise And Reliable Working Range: 8 To 10 M Two Button And A Scroll Wheel, Very Practical Built-in Usb Nano Receiver Durable Comfortable Wheel Design Plug And Play, No Need To Install Additional Drivers Excellent Gliding Feet Resolution: 1600 Dpi Ergonomics: Support Open Size: Approx. 113 X 58 X 28mm / 4.45 X 2.28 X 1.10inch Folded Size: About 78 X 58 X 30mm / 3.07 X 2.28 X 1.18inch After Folding, The Mouse Automatically Closed And Can Be Conveniently Carried In Your Pocket. Note: If You Use The Mouse, Plug The Supplied Usb Receiver. The Package Includes: 1 X Wireless Mouse Note: Light Shooting And Different Displays May Cause The Color