1. The fabric material is canvas, beautiful and fashionable, durable and comfortable to the touch; 2. With heating and warming function, it can keep the phone/tablet warm to prevent the power from dropping rapidly or not turning on in cold weather; 3. It can be used as a hand warmer, and the abdomen can also feel the warmth during the back process; 4. The heating element can be disassembled, it can be used as a daily small bag in summer, and it is easy to clean after disassembly; 5. The heating chip is powered by 5V USB, and can be used with bank power, charging adapter, etc., which is simple and convenient to use;
