Specifications: Product Name: 2.4Ghz USB Foldable Wireless Touch Mouse Material: Plastic + Metal Type: Optical Mouse Size: 13 x 5.8 x 1.46CM/5.12 x 2.28 x 0.576Inch Connect Method: Wireless USB Applicable Model: Universal Optical Resolution: 1000DPI Number of Buttons: 2 Interface: USB Wireless Transmission Frequency: 2.4GHz Support Ergonomically Design: Yes Operation Distance: 10M/32.81FT Working Method: Photoelectricity + Touch Scroll Weight: 61G Color: White, Black(Optional) Rated Operation Current: 8-15mA/3v Key Life: 500 Million Times Power Supply: 2 x AAA Battery(Battery is not included) Package List: 1 x 2.4Ghz USB Foldable Wireless Touch Mouse 1 x USB Receiver