❤ Dear Friends, Welcome to our store !❤ Caracteristicas: SWITCH BUTTON DESIGNPress and hold for 3 seconds to activate the button and heat it up quickly.LONG-LASTING WARMTHHeat quickly in seconds with 5V certified battery; Up to 10 working hours3 TEMPERATURE LEVELSThe heating level can be adjusted by pressing the power button3 HEAT ZONESHeat across core body areas (Left Chest, Right Chest, mid-back). Protect key parts from coldness, especially for middle-aged and elderly people who are prone to wind and cold.WATER RESISTANT FABRICUnrestricted movement and breathabilityHEATED COLLARCarbon fiber heating elements for a warm neckMACHINE WASHABLEThe heating elements and apparel construction are designed to endure 50 machine wash cyclesSpecification:Name:Outdoor Heated VestMaterial: Cotton Blend, PolyesterSuitable seasons: Autumn and WinterPlacket: ZipperPattern: PlainPowered by: USBFeatures: intelligent three-speed temperature control adjustablePrecautions: Do not use the wet clothes for electricity. If the rain is wet, please turn off the power and stop using.This product does not include mobile power, and you must always connect to the mobile power source when using it.