1,safety:high techheat mateials, 5 v low voltage, 2,different kinds of animal shape ,lovely and attactive 3,warm and fashion USB Cushion Warmer 1, safety: insert the computer usb port to supply power , 5 v low voltage assure the safety of users.. 2, warm :high techheat materials and usb plug keep the cushion temperature at around 45 c and suitable for code area. 3, comfortable : the cushion warm ...