Secure: The multi-protection security system guarantees complete protection against short circuit, overheating, over voltage, over charging, over current, etc. Efficiency: Thanks to synchronous rectification technology, the energy conversion rate reaches up to 88%, which reduces heat and is more environmentally friendly. Compatibility: Charge every digital device with this USB charger that comes with a USB and USB-C cable. The charging station identifies the device and adjusts the voltage automatically. Functionality: Charge up to 5 mobile phones or tablets simultaneously. Each slot is 15 mm wide. Powerful: Single port 5 V / 2.4 A 5-port output power up to 150 W