Independent sub-control each is independently controlled, and you can directly turn off the button when the USB is and not in use! The blue has a blue LED and the red has a red LED
With the adapter in your device does not require any for most for for and laptops with USB. Plug and for play, no driver required, support hot
In addition to the daily use of the computer, it can also be used with the adapter to be plugged into the socket separately. At this for time, it only has the charging function! Suitable for occasions with concentrated population, such as hotel reception/office/reception room,
for power supply port (5.5mmX2.5mm), this link single product does not have a power adapter. It is recommended to be equipped 5V/3A (15W) power supply to meet the current demand.
7 USB3.0 (blue) has: charging + data transmission function, 1 USB (red) only has the charging function, the current can reach 2.4A, and it needs to be equipped power supply! Therefore, eight ports can be charged at the same for time, and eight mobile phones can be charged.