With power MICRO USB-OTG U disk mobile hard disk data cable adap

product description note: Need USB cable is the power of USB  (such as usb hard drive, flash drive), Can not charge your Macbook or tablet or phone. The C-connector is the new USB 3.1 design Tablet and phone and hard drive extral USB cable is the power of the USB  (such as usb hard drive, flash drive) Can not charge your Macbook or tablet or phone. product information Package size 5 x 3 x 0.5 inches Item weight 8 ounces