Specification: Product name: Smart heating vest Product color: black Product material: 100% polyester Applicable people: male and female Applicable occasions: outdoor work, office, home size chart: Size Length(cm) Bust(cm) M 60 98 L 62 102 XL 64 106 2XL 66 110 3XL 68 114 Product Feature: Imported carbon fiber heating The heating suit uses carbon fiber far-infrared heating, which is evenly distributed to the human body to feel the far-infrared heating effect; Mobile power bank power supply 5V safety voltage, household power bank can provide, ultra-low voltage, green and environmental protection, no leakage, safe use; Five heating zones temperature control 5 zones heating, uniform temperature distribution, so you feel comfortable. The heating time is longer and the warmth retention is better. The heating surface is the important part of the waist, abdomen and back that are susceptible to cold, which can effectively protect the health of the body; Long press for 5 seconds to turn on / three-level temperature control According to personal needs, lightly press the shift, you can manually adjust the temperature you want, three gears (the difference between positive and negative temperature is about 5 , because of the different ambient temperature, the operating temperature Deviation); Both Machine wash and hand wash Machine wash, hand wash, lightly rub, clean, hang, air, and self-heat and dry. Package Included: 1* 1 pc Smart heating vest Note: 1.Due to the different monitor and light effects, the actual color of the item might be slightly different from the color showed in the pictures. 2.The color of the product is subject to the color received, please allow 2-4cm measuring deviation due to manual measurement, thank you for your understanding! _x000D_