Just 5 to 10 minutes of electric charge gives heated pad for close to 120 minutes (approx., depending on the surrounding temperature) strong points portable rechargeable heating pad easy to use and carry less electricity consumption easyOperation: does not require filling of water where to use rechargeable heat pad is useful for providing instant relief from pain and treatment of sports injuries, arthritis, sore neck, backache, muscular pains, cramps, hypothermia, sprains, growing painsHow to use 1 - insert the power cord on the product to the socket and connect the power 1a - keep it on flat and levelled surface while charging 2 - a red light (indicator) starts immediately showing heating is in process 3 - after 7 to 10 minutes indicator switches off automatically 4 - you can switch off charging before that also to keep the heat low 5 - heat pad is ready to use 6 - once heat pad is charged, it will remain hot for the period of 60 to 120 minutesAn electric hot gel pouch is a pouch filled & sealed with special gel, used to provide warmth, typically whilst in bed, but also for the application of heat to a specific part of the body. It is a high quality reliever from aches in cold climatic conditions. Gives relief from pain and makes you feel comfortable.You can keep it inside the quilt to heat up the quilt or use on low temperature for massaging body parts|Pain Relief Hot Bag for period cramp , muscles and body joints|6 Layer Pain Relief Electric Hot Water bag | Hot Bag | Heating pad