This Micro USB to Type A Female USB Cable Adapter from Optoma measures 11.8" / 30cm in length. It is terminated with a Micro USB connector on one end, and a female Type A USB connector on the other end.
It is compatible with the PK201/301 Pico Projectors, or any device that is configured with a Micro USB output port.
In the Box
Optoma Technology Micro USB to Type A Female USB Cable Adapter (11.8" / 30cm)