AGPtek&reg; NEW 2400DPI Optical Adjustable 6D Buttons Wired Gaming Game Mice with 1.5m USB Cable For Laptop PC High Quality, Compact Design and Measurable Weight; Built-weight iron, feel comfortable, mobile and stability. Ergonomic shape, special feel good; Intelligent connectivity. no need to code, plug & play. Optical technology works on most surfaces; USB cable is up to 1.5m long. Most suitable for Laptop user and PC user. It is an essential equipment for Gamers. Black when not using, can be changed to many colors:red,green,purple......