Tripp Lite Dual Port USB Wall / Travel Charger for Tablet & Mobile Devices 5V/3.4A/17W (U280-002-W12) Plugs into a wall socket to charge 2 electronic devices at the same time Features two 5V USB-A ports: 1.0A and 2.4A Automatically adjusts to ensure optimum charging speed Plugs into any NEMA 1-15R, NEMA 5-15R or NEMA 5-15/20R socket Folding plug design protects plug from damage 2-year limited warranty