Description: Material: The heating pad is made of high-quality Oxford cloth and non-slip cloth, which is wear-resistant, can be used for a long time, and is durable. USB heating: USB heating, 5V 2A power supply or mobile power is required (not included) Easy to carry: With automatic inflation function, the cushion is more comfortable after inflation, and it is more convenient to carry after deflation. Perfect accessories and gifts: perfect accessories for cold weather, can be used to warm the shoulders, neck, waist, back, abdomen or as a pet bed. Outdoor activities such as camping, traveling and fishing. Gift: This practical heating pad is the perfect gift for family and friends on Christmas, Halloween, Thanksgiving and other holidays. There are two specifications for you to choose: one is not adjustable, constant temperature, no switch, direct plug-in type. Another adjustable gear, switchable, timing, three-in-one function. Specification: Material: Oxford Cloth, Non-slip Cloth Color: Black Voltage: 5V Interface: USB2.0 Power supply: Use a 5V 2A power supply or a power bank for power supply Cleaning: Surface Scrubbing Size Chart: 30x40cm/11.81X15.75inch Package Includes: 1 Piece Heating Cushion Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!