UGREEN US127 Micro USB 3.0 OTG cable allows you to connect devices, like flash drive, card reader, mouse or a keyboard to your Samsung Galaxy Note 3/S5/Galaxy Note Pro 12.2 /Tab Pro 12.2/ Nokia Lumia 2520 at speed up to 5Gbps.(some powe-hungry devices may not work). It offers a convenient way for quick and easy data reading and backup without host.