1、The mouse adopts 2.4GHz wireless technology with low interference and stable long-distance wireless transmission. 2、The left and right buttons adopt a silent micro-motion design and a wheel scroll wheel design, no noise when used, and a quiet working environment can be created. 3、With 3-speed adjustable DPI, and the optical sensor can be used on a variety of surfaces without restriction. 4、The mouse has a built-in memory, no code matching is required, and the smart connection is faster. 5、Equipped with a mini USB receiver, supports plug and play, easy to carry and does not take up space. Item Type: Wireless Mouse Working Method: Photoelectric Operating Distance: Approx. 10m / 32.8ft Material: ABS Wireless Technology: 2.4GHz Mouse DP1: 3 speeds DPI adjustment Optical Resolution: 1600dpi Support Operating System: For Window7/8/10/Android3.2/OS X10.8 Battery: 2 x AAA batteries (not included) 1 x Wireless Mouse 1 x USB Receiver