Make an impression with the Adesso iMouse M300, an input device built with a modern look and has a reliable wireless range (that extends up to 30 feet). Along with the low profile “sleek” feel and comfortable design, the M300 is well equipped with an optical infrared sensor, offering better accuracy and sensitivity than any traditional optical mice. Bluetooth Wireless Technology Bluetooth 3.0 wireless technology offers 30 feet of wireless freedom, plus lower battery consumption, higher security encryption than Bluetooth 2.0. Battery Saving With the Auto-Sleep feature you can automatically maximize your battery life when mouse is not in use. Optical Sensor This mouse features a 1000-DPI optical sensor that improves speed, accuracy and reliability without hassle of clogged mouse ball. Power On/Off Switch The Power ON/OFF Switch allows users to turn off the power of the mouse when it is not in use. This function can effectively save and extend your battery. Connect Button The quick connect button is able to synchronize your device with the receiver for an easy and simple pairing step.