The Intex 12" Queen Prestige Air Bed Mattress with built-in USB pump, is a great portable sleeping solution with a built-in pump powered by any USB-A power source rated 2 Amp and higher. Convenient and versatile to use with your phone charger, 12V USB car charger, or a portable battery power bank. The USB pump is not only smaller and lighter but also more energy efficient than traditional electric pumps. Simply connect the included USB-A cord to the power source of your choice and inflate or deflate within minutes. The Prestige Air Mattress is built with patented Fiber-Tech Construction providing exceptional durability and support for a refreshing night s sleep anywhere.