Color: dark gray Input: 5V2A Product expansion size: about 30*60cm Material: crystal super soft Constant temperature: around 55C, power 9w Heating area 15*33cm Net weight: 122g Packing list: Neutral English packaging box/1*30*59cm heating pad, 1*English instruction manual, 1*Type-C heating cable Functional features: 1.5V2A USB power supply, no plug, low voltage, equipped with a temperature sensor. When the temperature exceeds the set value, it will automatically stop heating for safety protection; 2. Graphene generates heat and has the best far-infrared physical therapy effect on the human body; 3. Constant temperature: around 55C, the temperature is constant, will not rise or fall suddenly, and will not burn the user; 4. Lightweight and compact, equipped with a storage bag, easy to carry; 5. Heating area 15*33cm, large heating area and rapid heating; Warmth: Suitable for adding comfort in cold weather by providing continuous warmth, especially for use on seats, office chairs or beds, making the body feel warm and comfortable. Soothing: A warm mat can help relax muscles and relieve some minor muscle soreness or discomfort. Portability: As a smart USB heating pad, it is portable and can be carried around and used easily when needed. Multifunctional: Can be used as an electric blanket to provide heating effect to specific areas, making the user feel warm and comfortable.