4 powered USB ports and extra 2 built-in micro cables shared 8 amps of power (total 40W), max 5v 2.4A for each port, can charge 6 devices at the same time

• Smart USB charging station technology, adapts devices's charging rate and optimize the charging speed automatically, faster and safer than traditional usb ports

• Holder and storage designed, the devices can be put on the cradle to free your hands when watching a video or chatting with your friends while charging

• The SmartU's 4 usb ports charge a wide range of mobile devices from smartphones to tablets to media players like iPhone iPad Samsung Nexus

• It can adapt devices automatically and charge your devices at the optimized speed Output of 8 amps (max 5v 2.4 amp for each port) provides enough power to simultaneously charge most of your devices at full speed. With 4-port USB and 2 built-in micro cables for android, can charge up to 6 devices like iPad iPhone or other smartphones and tablets simultaneously

• USB cables are not included, except 2 built-in android charging cables