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: Equipped with a USB interface, the heated sleeping bag can be powered by a PC, power bank, or car charger. 3. Multipurpose Use: Can be used as a heated blanket, sofa seat cushion, or car seat cushion. 4. Constant Temperature: Maintains a steady temperature once heated. Lightweight and compact, it is easy to carry and store. Suitable 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