USB mouse. Resolution: 1,000 dpi. Weight: 61 g. Dimensions: 3.7 x 9.8 x 5.9 cm. Cable length: 95 cm. The optical notebook mouse from HP is a true lightweight at just 61 g, making it perfect for travel. With dimensions of 3.7 x 9.8 x 5.9 cm, it is compatible with all HP notebooks and desktops. It connects easily via USB cable. System requirements are Windows 7 or 8. The mouse has a resolution of 1,000 dpi and features a 95 cm long cable. USB connection: reliable and straightforward. This input device connects to your computer via a USB cable and is powered through it. Just plug it in and get started - the plug-and-play convenience makes it easy. Dead batteries or interference from obstacles will never be an issue with this type of connection.