This keepwarming heated vest uses innovative far-infrared heating technology, which compatible easy heating together with most phone power banks, so get this heated vest you don't fear the cold in winter.

✔ Waistline adjustable Size: Four zippers at the sides allow you to adjust the waist size of the vest. Find the most comfortable way to wear this vest for snug fit, as if it is a piece of made-to measure clothing. Waistline from 38inch to 50inch.

✔ Power From USB Portable Charger. It can compatible easy heating together with most 2A USB output phone power banks. Plugged into a 10000mAh battery pack (not included), this polished heated vest is capable of retaining warmth up to 7 hours at Low Level, 5 hours at Medium Level, and 3 hours at High Level.

✔ 3 different temperature control: The smart temperature control in one-button. 3 level adjustable temperature.
Red Light High : 131°F / 55℃
White Light Medium: 122 °F / 50℃
Blue Light Low: 113 °F / 45℃

✔ High-Performance carbon fiber heating: With 6 high-performance and superior nonmetal carbon fiber heating elements, heating jacket has the characteristics of low energy consumption, fast heating, light weight, etc. In addition, these heating elements can heat heating jacket up to the desired temperature in a short time and offer a longer endurance time in a nocumbersome wearing. 6 heating elements make the temperature more even and warm.

✔ Hand wash or use the laundry bag for machine wash

Package Included

One of the heated vest, laundry bag

Notes: Not included 5V/2A USB power bank. This heated vest compatible most portable charger. You can use your phone power charger or easy purchase on amazon or department stores.