Don't take this as fact I heard that as far as charging the usb 3 has no added effect over usb2 micro the benifit of the added usb 3 was for file trasnfering again it is what I heard I haven't seen any facts on either ways
it will only charge faster than USB2.0(500mah) if you connect it to your pc USB 3.0 port (900mah). Though, there is no effect with wall charging which is still the fastest way
it will only charge faster than USB2.0(500mah) if you connect it to your pc USB 3.0 port (900mah). Though, there is no effect with wall charging which is still the fastest way