heated vest for men women with battery pack lightweight polar fleece heating jacket for winter outdoor heated clothing(blue, l) babutenlo <b>babutenlo is a brand that focuses on the technological research and production of intelligent wear.</b> the heated vest is made of excellent polar fleece fabric, keeping your body warm whole day. do you wear thick layers of clothing in cold weather,even so in extremely cold winter you still shiver in the wind,you body are bloated and inflexible, made you difficult to move,not to mention take part in outdoor activities. so we research and develop some lightweight clothing, keep you warm all day and a graceful figure. it powered by lithium battery technology, use carbon fiber heating elements to create the heat to the chest,back and waist.on the other hand, far-infrared is good for health.<br>obviously, our smart heated vest is your best choice,let us enjoy this winter and every winter together!be strong,be healthy!<br><b>features:</b><br>- one heated vest equals a heavy winter coat saving much of your baggage space and can be paired with many types of clothing.<br>- 4 heating zones on the neck, back and waist of the vest.<br>- heats up in 3 seconds.<br>- 3 heating levels for you to choose. no need to worry about getting burned.<br>red light for high 140°f/60°c<br>blue light for medium 122°f/50°c <br>green light for low 104°f/40°c<br>- high quality polar fleece: lightweight, super soft, great heat retention and comfortable; windproof and water-resistant.<br>- muscle strain relief; blood circulation promotion; rheumatism pain relief.<br>- large capacity portable battery ensures all-day-long warmth.<br>- easy maintenance: both hand and machine washable. after tested over 50+ machine wash cycles, our heated vest works like the brand new.<br><br><b>how to use:</b><br>1.connect the usb cable inside the vest to the portable battery.<br>2.press the power button for 3 seconds to start heating.<br>3.press the button to change heating temperature.<br>4.press the button for 3 seconds to turn it off.<br><br>note: please take out the battery before washing.<br><br>