Description: Silent mute mouse clicks, suitable for office, gaming Internet cafes, library and other occasions. 25mm ultra-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, with 7 days standby in lights mode and 30 days standby in light-off mode. Surface frosting technology, good hand feeling, design conforms to ergonomics, streamlined shape, comfortable and not easy to sweat. Colorful lights, equipped with seven-color breathing lights, bring a different feeling to work. Specification: Photoelectric resolution: 1000, 1200, 1600 dpi Number of keys: 4 keys Interface: USB Wireless transfer frequency: 2.4GHz Whether to support ergonomics: support Operating distance: 10m Working method: photoelectric Wheel direction: four-way roller