Small usb Power Strip: 2.36x2.36x2.28 inches, Rubik cube design, compact, and portable. Integrated Construction of USB Charging Station: Three non-interfering outlets with sliding safety covers and a power switch / LED indicator. Outlet Strip: Advanced technology grants charging speed up to 2.4A per port by optimally distributing the current (the actual current is decided by the demand for the devices). USB Output: 5V 3A, USB Power Rating: 15W, each port supports up to 2.4A. Safety First: Protected against overvoltage, overcurrent, overload, short-circuiting, and poor contact.