Woman Back Intelligent Fever Knitted Keep Warm Long Sleeve Heating Underwear Blouse TopsFeatures:Smart heating and warm jacket button one-button three-speed adjustment, mobile power bank power supply safe 5V low voltageCarbon fiber far-infrared heating, new black technology, power on, provide even kisses, heating area on the back of the jacketThree-speed temperature control, adjust as you want, long press for 3 seconds to turn on, short press to gears, intelligent heating, forCasual Tops, Long Sleeve, Hedging, FeverTops, Casual tops, Stylish and fashion design, Winter casual Blouse.Occasion: Casual,Daliy, Birthday,Dating, Dance Performance,Party, Wedding, For work, At home Vacationand more. Suit for,Winter and Spring. NOTE: Hand or gentle machine wash in cold water / Do / Line dry. Our clothes all are designed for Asian figure, which means be smaller than normal European sizes. refer to our own size chart and you can find it in our pictures or from the description.Specification:Material: 95% cotton 5%Season:Autumn/Spring/WinterGender:Women,GirlOccasion:Casual,DaliyPattern Type:SolidCollar:O-NeckStyle:Casual,FashionLength:RegularSleeve Length: Long SleeveHow to wash:Hand wash Cold,Hang or Line Dry When using USB to plug into the USB port to obtain power, the output is about 5VPackage List:1x Heated thermal underwearNotes:Due to different displays and lighting effects, the actual color of the product may be slightly different from the color shown on the picture. Thanks!Due to manual measurement, allow slight measurement deviation.SizeSize.BustShoulderLengthSSmall80cm/31.50''34cm/13.39''53.5cm/21.06''M Medium84cm/33.07''35cm/13.78''55.5cm/21.85''L Large88cm/34.65''36cm/14.17''57.5cm/22.64''XL X-Large92cm/36.22''37cm/14.57''59.5cm/23.43''XXL XX-Large96cm/37.80''38cm/14.96''61.5cm/24.21''XXXL3X-Large100cm/39.37''39cm/15.35''62.5cm/24.61''XXXXL4X-Large104cm/40.94''40cm/15.75''63.5cm/25.00''Size:SSize.:SmallBust:80cm/31.50''Shoulder:34cm/13.39''Length:53.5cm/21.06''Size:M Size.:MediumBust:84cm/33.07''Shoulder:35cm/13.78''Length:55.5cm/21.85''Size:L Size.:LargeBust:88cm/34.65''Shoulder:36cm/14.17''Length:57.5cm/22.64''Size:XL Size.:X-LargeBust:92cm/36.22''Shoulder:37cm/14.57''Length:59.5cm/23.43''Size:XXL Size.:XX-LargeBust:96cm/37.80''Shoulder:38cm/14.96''Length:61.5cm/24.21''Size:XXXLSize.:3X-LargeBust:100cm/39.37''Shoulder:39cm/15.35''Length:62.5cm/24.61''Size:XXXXLSize.:4X-LargeBust:104cm/40.94''Shoulder:40cm/15.75''Length:63.5cm/25.00''