srivb heated vest, usb charging lightweight heating vest for men women washable body warmer with battery pack included for outdoor hunting hiking camping motorcycle skiing (medium) srivb <p><b>srivb electric warm vest rechargeable heated jacket ergonomics design heating clothes vest for men and women (unisex)</b> </p> <p> <br><b>package includes:</b> <br>1 * heated vest with usb ports, <br>1 * 10000mah power bank(5v/2.1a), <br>1 * cable for charging battery, <br>2 * cable connect the heated vest and power bank, <br>1 * instructional manual.<b><br><br>features and advantages</b> <br> gender: unisex: <br> size: from xxs to xxl, please select the desired size according to the size charts. <br> (tips: it’ll be recommended to wear this heating vest under your jacket. ) <br> both-sides zipper pockets designs: keep your hands warm and prevent losing some valuables when running or walking. <br> 5 heating areas: 5 carbon fiber heating elements generate heat across core body areas (underneath two pockets, two low back, one upper back). <br> 3 levels temperature setting <br> red: 149°f/65°c max, the highest temperature <br> white: 131°f/55°c max, the medium temperature <br> blue: 113°f/45°c max, the lowest temperature <br> charger specification: capacity: 10000mah; input micro/type c: dc 5v/2a(max); output usb 1/usb 2: dc 5v/2.1a(max). </p> <p><b>how to use</b> <br>➤ 1. unzip the inner pocket and take out the usb cable; <br>➤ 2. insert the usb port to 5v power source, recommend to use 5v/2.1a power bank(this vest suit includes battery pack); <br>➤ 3. long press the thermal switch for 3 seconds to turn it on/off, short press it to change the temperature gear. <br> <b><br>easy care</b> <br> remove battery and removable connect cable, hand wash or machine wash (in laundry bag). <br> it'll be more recommended to wash this vest by hand. <br> do not twist or wring.</p>