Ugreen Ergonomic Wireless Mouse 90395 Is A Black Wireless Mouse With A Listed Sensitivity Of Up To 4000 Dpi. Its Ergonomic Design Is Intended To Provide A Comfortable Grip For Regular Computer Use, While The Wireless Connection Keeps The Workstation Free From A Permanent Mouse Cable. The Higher Dpi Rating Can Offer Responsive Pointer Movement For Users Who Prefer Faster Cursor Navigation, With Performance Depending On The Supported Settings And Computer Setup. It Is Suitable For Everyday Office Work, Browsing, And Study. Check The Connection Method, Battery Requirements, And Operating-System Compatibility Before Use.