Compact and convenient, the 10-Port USB Charging Station provides optimal charging for any combination of smartphones, tablets or other mobile devices. Intelligent power delivery detects the necessary power to charge each device quickly and safely, even when all ten ports are in use. The charging station also guarantees connected devices against damage. 120 watt external power supply ensures that up to 2.4 Amps is delivered to each port. This provides optimal charging for each connected device for consistent charge time, regardless of the number and size of devices connected. The ports are USB-A.