This 2.4G wireless mouse features reliable plug-and-play functionality, its Usb nano receiver storable inside the mouse for easy transport. The 2.4GHz wireless connection delivers fast, stable transmission without delays or interference, a strong working range for home and office use. Its contoured shape fits naturally in your palm for all-day comfort, a skin-friendly, durable build and a sturdy rubber scroll wheel that prevents slipping during use while keeping your hands comfortable during long sessions. Powered by one Aa battery (not included), it has an automatic sleep mode to extend battery life-simply scroll or click any button to wake it up quickly, plus an on/off switch to further save energy. It offers three adjustable Dpi levels (1000/1600/2400) to suit daily work or casual gaming, plus six buttons including easy-to-reach back and forward controls to boost productivity while browsing or switching between documents.