4-level DPI Settings (1000/1600/2400/3200) DPI to meet your multiple needs, either for daily work or gaming. Silent button mouse can be used on any computer desktop and mouse pad. Y670 mouse better suited for small to medium sized hands. Multi-device Connection The Infinmind wireless bluetooth mouse has a built-in 2.4G USB receiver and two Bluetooth, you can switch between 3 devices with a single button clicking.The 2.4G USB receiver must be removed for use by opening the surface cover. When Bluetooth connects to windows system, please make sure it is windows 10 or above. Smart Flying Scroll Design 4-way scrolling,so you can scroll long web pages,and at the same time,you can achieve horizontal sliding of the entire page by pressing the wheel side make work more efficient.