No Plug Blockage:perfectly suited to neatly plug in all your devices. Dual-USB Charging:dual powered USB-A ports (2.1A) that are compatible with your smartphones and other devices Space Saving Design: Perfectly sized for any wall outlet in your living room, office, classroom, and bedroom. Personalize it. To your needs: Stack your PowerCubes to create your desired amount of sockets. Advanced Safety:ETL certified, Resettable fuse, Surge protector, and Childproof sockets.