Bestten Multi Outlet Wall Mount Adapter Surge Protector with Four (4) USB Charging Ports, 3 Electrical Outlet Extenders and 2 Slide Out Phone Holders One-Stop Charging Station: 4 USB ports and 3 AC outlets with dual slide-out smartphone holders 4 high-speed USB ports (4.2A shared), each port charges up to 2.4A for tablets, smartphones and other devices 300 Joule Surge Protector: EMI/RFI noise filtering provide electronic protection for your sensitive home/office devices Dual side slide-out holders and LED surge protection indicator ETL approved and certified, 36-month worry-free warranty