USB Heated Vest for Men & Women - Winter Warm Electric Heating Jacket

Specification: 
Name: USB Heating Vest; 
Color: Black; 
Material: 85%Cotton & 15%Polyester; 
Size: S,M,L,XL,XXL(Optional); 
Heating level: 45-65 degree Celsius; 
Heating zones: 4 zones; 
Power supply: USB; 
Input voltage: 5V; 
Input current: ≥1.85A; 
Powered by 5V/2.0A power bank is suggested. (power bank is not included)
  
Heating level: 
Green light(Low level): approx. 45 degree Celsius (10000mAH power bank can keep heating for 5-14 hours); 
Blue light(Medium level): approx. 55 degree Celsius (10000mAH power bank can keep heating for 4-11 hours); 
Red light(High level): approx. 65 degree Celsius (10000mAH power bank can keep heating for 3-9 hours). 
  
Heating zone: 
Back upper area (10000mAH power bank can keep heating for 9-14 hours); 
Chest & Back upper area (10000mAH power bank can keep heating for 5-7 hours); 
Chest & Back upper & middle area (10000mAH power bank can keep heating for 3.5-5.5 hours); 
Chest & Waist & Back upper & middle area (10000mAH power bank can keep heating for 3-5 hours). 
  
Features: 
3 Levels Temperature Setting, provides temperature from 45 degree Celsius to 65 degree Celsius, easy to switch. 
4 Heating Zones, allows switch heating area for generate heat across specified body areas. 
Built-in USB port and storage pocket for connecting power bank (power bank is not included). 
Waterproof electronic element supports hand washing, dry-cleaning, and machine washing. 
  
Washing Tips: 
1, Take away your power bank before washing. 
2, Put it into cold water that below 30 degree Celsius. 
3, Do not twist or wring. 
  
Package Included: 
1 x Electric Vest. (power bank is not included)