Specifications: The ergonomic design makes it comfortable to hold and use. This mouse supports wireless transmission and the longest sensing distance can reach 10 meters. Colorful lighting design and three-gear DPI adjustment allows you to use it conveniently. It is the ideal companion for laptops in the home or office. Item Name: Wireless Mouse Material: ABS DPI: 3-Gear Adjustable DPI Wireless Transmission Distance: 0-10m Operating System: for Windows 98 SE/SME/2000/SXP/2003, for Mac OS Battery Capacity: 500mAh (Included) Wireless Transmission Frequency: 2.4GHz/2.4GHz + Bluetooth Features: Wireless, Rechargeable, Ergonomic, Silent Size: 11.2cm x 5.8cm x 2.5cm/4.41" x 2.28" x 0.98" (Approx.) Notes: Both styles of wireless mouses are equipped with a USB receiver, which is plug and play. One of the two styles has bluetooth-compatible function and it can contact to a computer, a cell phone or a tablet by Bluetooth. Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Mouse 1 x Receiver 1 x Charging Cable