One of our smallest USB models: Metal micro USB with the chip on the bottom. It is of a rectangular flat shape with sharp edges. The location of the chip is slightly lower that the surface in order to avoid schratching. On the back side there is an opening for adding straps or pendants. We can personalise it with printing or laser engraving and on your request upload it with data according to your needs. You can choose from different types of packaging. Suitable for operating systems: Windows Vista / XP / 2000 / ME / 7/8/10 and Mac OS 8.6.