The UGREEN MU001 Wireless Mouse in Black is a slim everyday mouse for users who want quiet operation, a light travel-friendly shape and more sensitivity adjustment than a basic office model. It is designed around straightforward 2.4GHz wireless use rather than Bluetooth pairing or gaming software. The mouse connects through an included USB-A nano receiver and works as a single-host wireless device. UGREEN rates the operating range up to 10 metres in suitable conditions, which is enough for normal desk use, presentations and compact media setups. Four DPI levels are available at 1000, 1600, 2000 and 4000. That gives the MU001 a broader sensitivity range than many entry-level office mice, allowing the user to slow the pointer for controlled work or increase speed for larger and higher-resolution screens. The body is symmetrical, so it suits either hand, and the reduced-noise control design makes it useful in offices, libraries, study spaces and late-night home environments. One AA battery powers the mouse, with UGREEN quoting battery life up to 18 months under its stated usage conditions. The mouse is not rechargeable. The black MU001 is best for users who want a simple, quiet wireless mouse with adjustable sensitivity and easy portability. It is focused on everyday computing rather than programmable gaming features, making it a sensible companion for notebooks and general workstations.