Description: Silent: Mute mouse clicks, suitable for office, gaming Internet cafes, library and other occasions. BT5.0 + 2.4G: Slim body, you can carry easily, put it in a backpack or pocket, and use it wherever you go. Large-Capacity: Rechargeable battery, charging for 2 hours, 30 days standby in light-off mode. RGB Light: Colorful lights, equipped with seven-color breathing lights, bring a different feeling to work. Material: Made of good quality ABS plastic material, durable and has a long serve life. Specification: Connection method: wireless Applicable models: laptop Optical resolution: 1600dpi Number of keys: 4 Interface: USB Wireless transmission frequency: 2.4G Adjustable resolution: three gears Operating distance: 10m Working method: photoelectric Wheel direction: scroll up and down Weight: 90g Size Chart: 122x58x25mm/4.80x2.28x0.98inch Package Includes: 1 Piece Wireless Mouse 1 Piece Charging Cable Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!