Etekcity Scroll Black Wireless USB Optical Mouse for Computer Laptop Notebook with 30ft range, mini 2.4GHz receiver, high-resolution sensor, sleek ambidextrous design, three buttons plus scroll wheel, and durable construction Wireless USB optical mouse with mini 2.4GHz receiver for up to 30ft range Ergonomic left and right GM design, used for both hands Easy to set up, auto-shutoff feature saves battery life, Up to 5,000,000 clicks over a life time Concise fashion modern appearance, attractive black and grey color scheme Standard USB connection, compatible with Windows, Mac, and Linux