Wireless mouse is powered by 2.4Ghz and Bluetooth technologies, to provide reliable wireless connectivity options Designed for right-handed users 2400dpi allows for finer and quicker cursor movements Five programmable buttons provide more ways to customize user experience Integrated rechargeable battery prevents the hassles associated with disposable batteries Plug-and-play design lets you use this mouse immediately without requiring any additional software Ergonomic design reduces strain and fatigue, allowing for hours of comfortable use Stylish design offers a modern look