" Lixada " is focused on products that help people who enjoy running, cycling, swimming, snow driving, hunting and other outdoor activities. Organized by a young team, Lixada strives to provide quality products for you and to improve the products according to your kind feedback. Our products help you to enjoy sports with more comfort, convenience and style. LIXADA Light Heated Vest with USB charging --- Your best partner in the cold winter! 5 heating sheet will give off far infrared wave light as soon as it starts heating, and according to the principle of medical hot compress therapy, the far infrared light will be good for promoting blood micro-circulation, relief pain of muscles and joint, improve circulation system and immunity and enhance metabolism. Considerations: Please do not use more than 5 V DC to avoid safety problems. Ban the use of products while sleeping. NOT for pregnant women, toddlers and those who can not express their readiness. DO NOT use for people with pacemakers. Specifications: Material: synthetic fibre Color: black,gray(optional) Sleeve: vest Season: winter Packing size: 150 * 100 * 50mm / 5.9 * 3.9 * 2.0in Please check the size chart carefully and choose the correct size! How To Use： Insert the USB port to 5V power source, we recommend 5V/2.1A power bank.(Note:Power bank need to purchase separately). Long pressing the switch of the vest for 3 seconds to turn it on/off. Short pressing the switch to change the heating mode. Size Description: The size chart is Chinese size. Tag size and US size conversion is only a suggestion Please check the size chart carefully and choose the correct size! 2020 upgraded design heating clothing for extremely warm and portable. PERFECT GIFT The heating vest is suitable for men, women, adult ,elder people and kids ,teengers This is the perfect gift for family members and the perfect gift for birthdays, Thanksgiving or Christmas. Read more HIGH QUALITY MATERIAL Soft synthetic fibre lining Warm worsted Thin but warm! Smooth and windproof! Long-lasting warmth Working time is about 4-6 hours powered by 8000mAh Power Bank (not included). The vest must be connected to an power bank for it to work. We have upgraded the charger to a USB connector so that you can use any mobile battery with a USB connection (5 V / 2A). Allow hand / machine wash cleaning Washing machine and dryer SAFE NOTE: Machine wash and laundry are available. Do not wring or twist, but airdry directly. !!!! Before washing, pull the mains plug and make sure that it has dried before heating!!! HIGH QUANLITY MATERIAL The powerful heating system includes 5 built-in heating panels, placed on the left & right flank, left & right waist, mid-back, generate heat to warm your core body quickly. One button for 3 heating settings, 45°C/113℉ to 65°C/149℉ with the smart heating system. Read more Read more