Product Name: Galaxy Note OTG adapter cable
 
Compatible Models: Samsung Galaxy SII I9100 Galaxy Note I9220 N7000 GALAXY Nexus I9250Galaxy SIIII9300
Color: black white random delivery
Main features: no need to install drivers using a mobile phone as a HOST (master device)， direct drive u disk / mouse and other USB devices (USB devices have been tested: U disk， card reader， mouse， keyboard)

USB-A female-to-male Micro USB data cable，
 
Dedicated MicroUSB Male to USB female OTG cable，
 
Tested USB keyboard and U disk are OK， but the mobile hard drive with fixed， have an external power supply.
 
For the mobile phone with Micro USB for charging and data transfer， as well as USB OTG capabilities.
Phone to take otg features such as millet millet 1s 2， millet 1 does not support otg

Knowledge OTG
1.OTG is the On-The-Go acronym is the technology developed in recent years， December 18， 2001 published by the USB Implementers Forum， mainly used in a different device or a variety of mobile devices to exchange data. In particular， PDA， mobile phone， consumer devices. Changes， such as digital cameras， camcorders， printers and other equipment in many different formats between the connector up to the inconvenience among seven kinds of memory card formats for data exchange.
2.USB technology development， making the PC and peripherals through a simple way， modest manufacturing costs will connect various devices with data transfer speeds， we mentioned above apply， are available through the USB bus， as a PC peripheral， Under the control of a PC for data exchange. But this convenient exchange， once left the PC， the device can not be used between the USB port to operate， because no one from the same device can act as a PC Host.
3.On-The-Go， namely OTG technology is to achieve in the absence of Host achieve data transfer between devices. Data can also be on a digital camera， and sent to the USB interfaces OTG mobile hard disk; for example， a digital camera directly to the printer， through OTG technology， connect the two devices see the USB port， will shoot the photo printed immediately ， field operation there is no need to carry expensive memory card， or carry a portable computer.