A. This bicycle taillight combines the functions of a turn signal and a brake light and is specifically designed for mountain bikes. It features an intelligent sensing design that can automatically detect braking and turning actions, providing comprehensive safety protection for cycling. B. The intelligent sensing function enables the taillight to respond promptly when the cyclist brakes or turns, allowing vehicles and pedestrians behind to clearly understand the cyclist's actions, which greatly improves cycling safety. C. It supports USB charging, eliminating the hassle of frequently replacing traditional batteries. It is more convenient and environmentally friendly to use. Whenever and wherever there is a USB port, you can easily charge the taillight. D. The unique laser taillight design not only enhances the visual effect but also has an excellent warning effect in dark environments, making the cyclist more noticeable during night rides. This ingenious design not only improves practicality but also gives the bicycle a unique aesthetic, making your cycling equipment stand out. E. This taillight is suitable for many places around the world. Whether it is the vast lands of Africa, the bustling cities of Europe, the tropical rainforests of South America, the tropical scenery of Southeast Asia, or every corner of North America, Northeast Asia, and the Middle East, it can protect your cycling. It has an authorized own brand and its quality is trustworthy. It is a practical piece of equipment that cycling enthusiasts should not miss.