TMS Optical 7d 2400dpi Gaming Mouse Mice Game Mouse USB Wired for Laptop Pc Computer Condition: Brand new Color: Black Function key: 7D Resolution adjustable: 4 level (800-1200-1800-2400DPI) Feature: High Quality, Compact Design and Measurable Weight Ultra-precise Scroll Wheel Super comfortable grip feeling, easy to manipulate Intelligent connectivity.no need to code, plug &play Perfect combination, positioning accuracy Resolution adjustable in driverless-free drive. Optical technology works on most surfaces Built-weight iron,feel comfortable and stability Specification: USB interface : 1.0/2.0 New Version, High Resolution: up to 2400 DPI, Strike life: 8 million times Durable braided USB cable length is up to 55" 16-bit ultra-wide data path Compatible with Windows XP, Vista, Windows 7, ME,2000 and Mac OS...or latest Weight : 3.6oz Dimension: 4 3/4"(L) x 3 1/4"(W) x1 3/4"(H) Package: 1 x Wired game Mouse