Overview - Charges up to 10 smartphones, tablets or other USB power devices simultaneously - Smart IC technology automatically detects the power requirements of your connected device(s) and delivers the maximum power output for fast charging and optimal charging efficiency - Each charging ports delivers intelligent fast charging current up to 2.4A per port - Ultra slim space saving design makes the charger easy to carry, place it anywhere in your home, office or take it with you on-the-go - Modern safety features to protect your device from unforeseen power surges include Over-current protection, Over-voltage protection and Short-circuit protection - Integrated power switch saves unwanted power use when not charging devices and saves you the inconvenience of unplugging the charger from the power outlet - Compatible with worldwide AC voltage from 100-240V (additional power plug adapter required when used outside U.S. region, purchase separately)