Smart IC Technology:Our USB Charger can recognize any device and automatically detects and delivers the optimal charging current for any connected device – ensuring the faster, more efficient charge
Full Speed Charging:The USB Charger supports 4 devices charging simultaneously.  4 Ports (2×2.1A＆2x1A ) can max up to 20W/6.2A output, ensures high-efficient charge on several devices at the same time
Compatible with Multi Devices:The charger can compatible with 4 devices at the same time .It well compatible with iPhone, iPad, iPod, Samsung Galaxy, HTC, Android Smartphone, Pads and all other smart devices, power bank.It automatically matches the maximum charging current designed for your device, and hence minimizes charging time