UGREEN 90381 Portable Wireless Mouse combines style, precision, and convenience in a sleek jet-black design. It supports both 2.4 GHz wireless and Bluetooth connections, offering flexibility for multiple devices. With adjustable DPI settings up to 4000, it ensures accurate control for various tasks. The mouse is lightweight, silent, and compatible with a wide range of operating systems, making it perfect for work, home, or travel. It operates efficiently on a 1.5V AA battery and is built to perform in diverse temperature conditions.