The U280-002-W12 is a lightweight USB wall charger perfectly sized for packing away in your purse, suitcase, backpack or laptop bag for charging on the move. Compatible with a wide range of portable electronic devices, this convenient charger features two 5V USB-A ports: 1.0A for charging smartphones and MP3 players and 2.4A for tablets and other larger devices. The unit's smart charging controller chip automatically detects the connected device and adjusts USB signal and power output to ensure the fastest charging speed. Plug the charger into any NEMA 1-15R, NEMA 5-15R or NEMA 5-15/20R socket to draw AC power. The plug folds into the charger when not in use to shield it from damage and avoid snagging or scratching the contents of your bag. Protects against overloads, short circuits, overcurrent and overvoltage.