Why use a Bluetooth mouse? Don't worry about running out of battery, get rid of wired troubles, and don't worry about insufficient interfaces. More stable connection: One less USB interface is occupied, and the Bluetooth connection is convenient and stable. Built-in charging: Built-in large-capacity polymer lithium battery, fast and intelligent charging, safe, faster, and long-lasting battery life. Quiet design, silent button: not afraid to disturb other people's study and rest. Strong compatibility: including tablets, notebooks, and mobile phones. Photoelectric Sensitive Engine: The mouse engine is one of the important parts of the mouse. This mouse uses a super photoelectric engine, which is more sensitive and accurate. Intelligent power saving: intelligent power saving technology, low voltage indicator light function, automatic power saving, no need to switch, save battery, energy saving and environmental protection, high-performance non-light engine, stable and efficient. Delivery Quantity: 1pc Package Contents: Only the above package content, other products are not included. Size: 11.5*6*2.5cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color: White (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.