Black USB 3.0 OTG or just OTG, is a specification that allows USB devices, such as digital audio players or mobile phones, to act as a host, allowing other USB devices, such as USB flash drives, digital cameras, mice or keyboards, to be attached to them. Read More
YouTube has a great explanation.
Marketing flyer view here.
Flash drives are a great idea for a promotional product. They provide a unique way to get your branding message across.
USB memory drives are ideal for trade shows and product launches as they can be preloaded with any type of file or images, eliminating the need for a printed piece.
OTG are available in memory sizes including 16 GB, 32 GB and 64 GB.