Feature: 1. 2.4GHz Wireless Data Transmission: 2.4GHz wireless data transmission, support stable connection and accurate tracking, working distance up to 10 meters. 2. 3 Levels DPI Adjustable: 3 levels of DPI adjustable, 3 DPI switches (1000, 1200, 1600) to freely change the mouse speed. 3. Ultra Thin Design: Ultra thin and comfortable design, can be easily stored in your laptop bag, very suitable for travel. 4. Broad Compatibility: Using sophisticated production technology, the wireless mouse supports for Windows Vista, for OS X. 5. Plug and Play: Plug and play, has simple operation, easy to use, can be used directly after installing the battery. Specification: Item Type: Wireless Mouse Material: ABS Wireless Frequency: 2.4GHz Product Power Supply: 2 x AAA Battery (Delivered Without Battery) DPI: 3 Levels Adjustable (1000, 1200, 1600). Package List: 1 x Wireless Mouse1 x Signal Receiver Note: Delivered Without Battery