Winter Universal Coat USB Heater Smart Jacket Heater

Description Feature: *1. Easily take it out of your jacket and transfer it to another jacket *2. 3 Heat zones and 3 Powerful settings allow you to perfectly control your core temperature in cold and unpredictable conditions. *3. Compatible with most 5V power banks. *4. It is durable and light, weighing only 4 ounces. *5. The added safety function can prevent short circuits and hot spots. Specification: Material: AIR MESH Waistline:32.3 inch Size: L Weight: 110g Heat Setting Temperatures (Degrees in Fahrenheit)     -High 120°-140° - 2.5 Hours of Using/50℃     -Med 110°-120° - 3 Hours of Using/45℃     -Low 100°-110° - 4 Hours of Using/40℃ Package Content:  1 * Coat Heater(Battery not included)