Multifunctional pen type memory

The present invention relates to an OTG USB memory capable of sharing data for various mobile devices regardless of host PC, and more specifically to an OTG USB memory comprising a memory case in which micro five pins are formed on one side and a memory chip comprising a USB is buried on the other side. A pen case in which a pen unit is formed is connected to one side of the memory case. A lamp case in which a lamp unit is formed is connected to the other side of the memory case. The present invention performs a role of the external memory of a tablet by using a single object. The present invention is compatible to a device and an apparatus having an existing USB by using the USB. The present invention is provided to perform the role of a general writing material or usage for a device having a touch screen by using a touch pen or a ballpoint pen; perform the role of a laser pointer of a front end or a flash which lightens the surroundings; and enable a user to conveniently carry the USB which is formed by an existing pen shape having a clip by hooking the USB to a pocket or a bag.