1. This is a speed control grip specifically designed for lithium electric bicycles. It belongs to the type of bicycle speed control grips and uses the 130X - M8 male connector model. It features an excellent design and practical functions. 2. In terms of design, it has a small and delicate appearance, with specifications of 63*53*53 millimeters and weighs only 0.038 (the unit is missing here as the original text is not clear). It doesn't add much burden to the bicycle and is easy to install and operate. Its unique design can fit well with lithium electric bicycles, providing a smooth control experience for riders. 3. In terms of use, it serves as the throttle handle of a lithium electric bicycle and can achieve thumb - controlled speed changes. Riders can easily adjust the speed according to different road conditions and their own needs during the ride. Additionally, it has a waterproof function. The design of the waterproof terminal enables it to adapt to various adverse weather and riding environments, ensuring the stability and reliability of the speed control function. 4. This speed control grip is quite popular in regions such as Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. It has an authorized self - owned brand, and its quality is trustworthy, adding more convenience and fun to cycling.