Features: 1. Connect to a car 2A USB charger (not included) or power supply (not included), and it will heat up in about 15 seconds. 2. DIY creative and easy to install; simply wrap the heater around the handlebars to keep your hands warm throughout winter. 3. With a three-level switch adjustment, you can set the temperature as needed for added convenience. 4. Made from high-quality neoprene materials, it offers stable performance and high reliability, with non-slip and wear-resistant properties. 5. Utilizing a USB power supply (not included) makes it simpler and more convenient to use, ensuring your hands stay warm while riding. Specification: Item Type: Handlebar Warmer Material: neoprene + ABS + Metal + Retractable Diving Cloth Voltage: 5V Power: 15W Supply Mode: USB Heating element Application: suitable for motorcycles, bicycles, and ATVs with 22-32mm/0.9-1.3in diameter handlebars. 3 Gear Adjustment: Blue Light Package List: 1 x Handlebar Warmer Note: It is not recommended to use directly in the rain. The outer cover is made of stretchable diving fabric, and the surface is waterproof. The internal heating element cannot be washed and is not waterproof. It is recommended to use with a windshield (not included). Direct exposure to rain may reduce its service life. Please be aware that the new and old types of this product will be sent randomly, and ensure you don't mind before ordering.