1. This is a scooter accessory - a thumb speed controller, which can be used for speed adjustment and belongs to the category of scooter accessories. It is delicately designed, with specifications of 70*47*22 millimeters and a weight of only 0.021 kilograms. It is light and easy to carry, and will not add too much burden to the scooter. 2. This speed controller is suitable for the general public. Whether it is the daily riding of scooter enthusiasts or the skill practice of professional riders, it can provide a good acceleration control experience. Its finger - operated throttle design allows users to easily operate it with their thumbs to achieve precise speed adjustment of the scooter, with convenient and flexible operation. 3. This product is sold in multiple regions around the world, including Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East, and is well - received by consumers in different regions. 4. It can be adapted to a variety of scooters and can significantly improve the performance of scooters. It is a good choice to enhance the scooter usage experience.