Zipper closure Machine Wash Electrtic heating Mid-length cotton coat are designed with the latest carbon fiber and high-quality TPU heating sheet, which have better warmth retention and can help promote blood circulation, relief pain of muscles. 6 carbon fiber heating elements generating heat across the Shoulder, backas well as upper back for core-body warmth. Fast heating within 30 to 50 seconds can save you time and make you warm quickly in winter. 3 Adjustable Temperature3 levels of Adjustable Temperature with LED Indicator Lights design, allowing you to adjust the temperature according to weather changes and different environments. Simple to press the left chest power button for 3 seconds to turn the power on and off, the electric heated vest will gradually heat up. Switch between three heat settings (High, medium, low) by press the button again after starting. Lightweight and WashableThis fishing heated vest is made of high-quality nylon fabric, which is windproof and waterproof. Lightweight, skin-friendly cotton interior have a soft, comfortable feel and provide better warmth. The lightweight vest could be hand or machine washable, put it to the lanuary bags, even after washing 50 times, it still remains intact. Convenient USB Charging :No longer limited to fixed batteries, this warm heated jacket equipped with a USB plug. 5v safe voltage, can be compatible with most power bank on the market.Note: The power bank is not include. Please keep it connected to a 5V 2A power bank when using it. Suit for All OccasionsThe electric padded vest with stand-up collar can be matched with various clothes for all occasions. Perfect for outdoor activities, hunting, skiing, fishing, motorcycle, bicycle, camping, mountain climbing, outdoor attendance,office daily, etc.