As a mainstream Windows computer manufacturer, Dell's computer peripherals are of reliable quality. Dell WM615 Bluetooth mouse is divided into two sections before and after, which can be rotated into flat mode, and uses a touch bar instead of a mouse wheel, making the mouse further flattened, easy to carry, suitable for use in travel, and the domestic price is 549 yuan. In terms of appearance, most of the 7 wireless mice launched by Dell are mainly compact designs, which are more suitable for users with small hand sizes.