To have a cool riding in winter， you will need this heated grips. Just connect it with the USB charger over 2A， and it will heat up in about 15 seconds. Try this simple design electric heated grips and let it help to provide a warm riding. Features:0.13MM slim heating system design.USB connector with 1M wire， convenient to apply.Constant temperature， needs no external temperature control.Heat up rapidly， provides a warm winter riding.Easy to install， needs no tools， plug and play.Easily removed when not needed.Specifications:Fitment: for 22-30MM diameter handlebarsColor: BlackMaterial: Driving FabricWattage: 7.5WVoltage: 5V DCCurrent: ≥2AWorking Temperature: 55-65℃Wire Length: Approx. 100cm / 39.4inItem Size: Approx. 10.3 * 12.5cm / 4.0 * 4.9inItem Weight: Approx. 55g / 1.9ozPackage Size: Approx. 12 * 18 * 3.8cm / 4.7 * 7.1 * 1.5inPackage Weight: Approx. 88g / 3.1ozPackage List:1 * Pair of Heated Grips