1. What is a micro-usb interface:

Micro-USB connector is smaller than standard USB and min-usb connector, saving space. Micro - USB standard support USB OTG function at present, in the absence of a host (such as personal computers), can be directly implement data transmission between portable devices, compatible with USB1.1 (low speed: 1.5 Mb/s, 12 Mb/s) at full speed and USB2.0 high-speed (480 Mb/s), at the same time providing data transfer and charging, especially suitable for high speed (HS) or higher speed of data transmission, is the small equipment (such as mobile phone, PAD, digital camera, data, video camera, and portable digital player, etc.).

2. What is OTG (on-the-go)?

Currently on the major smartphone interface, usually in micro - USB, and OTG line, is the mobile phone, tablet on the micro - USB OTG lines into a general USB interface, which can in tablet devices such as nexus7 inserted U disk, for example.

3. What is the usb flash disk:

1. The usb flash disk retains all functions of the ordinary usb flash disk.

For example, you can make a system installation startup disk. Mobile U disk can be normal use, like ordinary U disk read and store data on the PC, more can copy the data on the PC to phone U disk, as we read these files on a mobile device.

2. Based on the support of OTG technology based on the conventional U disk, the data can be read by connecting the devices such as smart phones and tablet computers via micro-usb and other interfaces. Current support for better Android devices.