1Connect to a car 2A USB charger (not included) or power supply (not included), and will heat up in about 15 seconds. 2DIY creative, easy to install, just wrap the heater on the handlebars, making your hands feel warm throughout the winter. 3With threelevels switch adjustment, you can adjust the temperature as you required, bring you more convenience. 4Highquality neoprene materials with stable performance and high reliability, nonslip and wearresistant. 5Using USB power supply (not included) method, simpler and more convenient to use, making your hands not afraid of cold when riding. 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 2232mm/0.91.3in diameter handlebars. 3 Gear Adjustment: Blue Light 1 xHandlebar WarmerIt 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 waterproof. It is recommended to use with a windshield (not included). If it is directly exposed to rain, will reduce its service life.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store