Heated Sleeping Bag Liner, 5 Heating Zones, Multi USB Power Supported, Operated by Battery Power Bank or Other USB Power Supply, Compact Bag Included.

‌【5 ELECTRONIC HEATING ZONES】 5 Heating zones system compatible with any 5V/2A USB power supply from cellphone Charger, Cellphone Power bank ,jump starter and others. 5 heating pads inside can heat shoulder, back, hip and feet areas when put it into Sleeping bag. (Battery not included.)【COMPATIBLE SIZE AND LIGHT WEIGHT】198X61CM (6.5X3FT) fit with most of Adult sleeping bag. And the weight only 2 pounds, with compact carry bag it is easy to be packed and carried【DURABLE POLYESTER SHELL AND SOFT FLANNEL LINING】Water proof Oxford shell and Soft flannel lining keep you warm and comfy. 【5 ELECTRONIC HEATING ZONES】 5 Heating zones system compatible with any 5V/2A USB power supply from cellphone Charger, Cellphone Power bank ,jump starter and others. 5 heating pads inside can heat shoulder, back, hip and feet areas when put it into Sleeping bag. (Battery not included.) 【COMPATIBLE SIZE AND LIGHT WEIGHT】198X61CM (6.5X3FT) fit with most of Adult sleeping bag. And the weight only 2 pounds, with compact carry bag it is easy to be packed and carried 【DURABLE POLYESTER SHELL AND SOFT FLANNEL LINING】Water proof Oxford shell and Soft flannel lining keep you warm and comfy.