Application: This motorcycle helmet horn is very suitable for all motorcycle helmets, durable and weatherproof. Fashionable and exquisite, it is an excellent work of art that can enhance the appearance of a motorcycle, both cool and sensual. LED lighting: Built-in rechargeable unit button battery, it can light up for 1 hour after fully charged. Easy to use: The motorcycle helmet horn has a suction cup, which can be firmly glued to the helmet and will not fall off easily. Multi-function: The horn can not only be fixed on the helmet, but also on the handlebars of bicycles, electric car heads, car heads and motorcycle heads. High-quality material: Made of high-quality PP material, strong and durable, waterproof, very suitable for your original car. Specification Material: PP Color: red/blue/pink/yellow/white Product size: 74x37mm Net weight: 100g The package includes: 1 x Motorcycle helmet horn 1 x double-sided tape 1 x detachable base 1 x USB cable Note: 1. Due to the difference between different monitors, the color of the item may be slightly different from the picture. 2. Due to different manual measurement methods, please allow slight size differences.