Features: 1. Warm & Soft Material: Made of premium skin-friendly polyester fiber, this sleeping bag is super soft and comfortable, providing long-lasting warmth, ideal for cold autumn and winter days. 2. USB Powered: Designed with a USB interface, the heated sleeping bag can be powered by a PC, power bank, or car charger for convenient use. 3. Multipurpose Use: This heated sleeping bag can also be used as a sofa seat cushion, heated blanket, or heated car seat cushion, offering versatile comfort. 4. Constant Temperature: Heats up to and maintains a steady 45°C. Lightweight and compact, it is easy to carry and store. Perfect for outdoor activities such as hiking, traveling, camping, climbing, and hunting. 5. Ideal Gift Choice: With a simple and elegant design, it makes a thoughtful gift for family members or friends on occasions like birthdays or Christmas. Specification: Material: Polyester Fiber Product Color: Black, Grey, Blue Product Size: 200 x 80cm, Unfolded: 200 x 160cm Product Weight: 920g Rated Power: 10W Rated Voltage: 5V Package Included: 1 x USB Heated Sleeping Bag