Features: brand new and high quality The product is made of Kevlars, which heats up faster and is more evenly heated. After 8,000 wear tests, it is more durable and durable. The switch has a built-in intelligent temperature control chip, and the temperature can be adjusted in three gears. The intelligent temperature control is more convenient. It can be adjusted to the corresponding temperature according to personal preferences. It's uses a large heating plate, which has a large heating area and a fast heating speed. It heats up in 10 seconds, so that your hands are no longer cold in the cold winter. The heating plate of the product is fixed , which is convenient and fastest, easy and fast to install, does not damage the handlebar, and is beautiful Adopts IP67 waterproof level, even if the switch and handle cover are soaked in water, it can work normally. When the handle cover needs to be cleaned, just unplug the plug and wash it with water, which is very convenient. It can be directly plugged into the USB port, and it can be powered on and used without wiring, which is more convenient to use. Specifications: Colour: Black Material: PET metal heating film + wear-resistant cloth Working voltage: for DC 5V Size: approx. 12.8x10cm/5.04x3.94in Cable length: approx. 104cm/40.94in Operating temperature: -30°C---+70°C Temperature value: 1 gear (red): 70°C; 2 gear (green): 60°C; 3 gear (blue): 50°C Accessories: 5 x cable ties Connection method: can be directly connected to the 5V/2A USB charging port Package Includes: 1 x Handlebar Warmer note: Please select the appropriate gear according to the ambient temperature. Under low temperature conditions, when the temperature of the electric heating handle cannot be sense timely and accurately due to the stiffness of the hand, please use the low or medium gear first to prevent high temperature burns. It is strictly forbid to work with electricity (empty burning) when not riding, in order to prevent the electric handlebars from being overheated and damaging the original handlebars.