Bullet Points: 1.[ Materials Excellent in Quality ] The carbon metal fiber heating sheet is used for heating, with a large heating area, 7-zone heating, and a rapid temperature rise of 65C. No fear of cold, healthy fever, safe, and no leakage. 2.[ Variety of Temperature Modes ] It has three temperature settings. Shifting can be selected according to individual needs. It can keep warm intelligently, heat evenly, and be durable. 3.[ Long Endurance ] USB power supply interface, connect to a mobile power supply to use. Take a 10000mAh power bank as an example to calculate the battery life: about 5 hours at high temperature, about 7 hours at medium temperature, and about 9 hours at low temperature. 4.[ Instant Heating ] It is made of high-quality comfortable skin-friendly fabric. Padded thick cotton enhances warmth and comfort. The cotton craftsmanship inside, so that the heat is always around. 5.[ More Functions ] It can be used as a warm pad for an outdoor sleeping bag, a tent, a sofa, a bed, a shawl, a yoga mat, a warm seat cushion for a car, a pet pad, etc. Warm and caring, yet simple and practical. Description: Sleeping Heating Pad is a perfect warmer item for everyone. Features: 1. Made of high-quality material, safe and durable. 2. Suitable for winter. 3. Perfect warmer gift for family and friends. Specification: Name: 7-zone Multifunctional Double-layer Heating Pad Fabric: 100% polyester quilted Lining: 100% polyester fiber Epoxy fabric Size: 198*62cm/77.95*24.41in Storage size: 33*14cm/12.99*5.51in Weight: 700g Heating body: wire heating Color: Black (front)/Grey (reverse) Blue (front)/Orange (reverse) Heating film: 7 pieces Applicable power bank: 5V2A Temperature: High-temperature red temperature is about 55-65, medium temperature blue temperature is about 45-55, low-temperature green temperature is about 38-45. Note: Power bank not included. Opening instructions: Press and hold the switch button for 1-2 seconds to start the switch. At this time, the red light is on, and the work is in the high-temperature gear. If there is no manual intervention for 5 minutes, it will automatically jump to the medium temperature gear and display the blue light. Incompatibility to high temperature) and then manually press the switch to adjust to the low-temperature gear, at this time the green light is displayed, press again to adjust to the high-temperature gear. Packing List: Sleeping Heating Pad*1