Maximum speed of data transfer complies with USB 2.0 protocol. Expectation management is advised.

Low-voltage power sources might cause low charging speeds when these adapters are in use. Charging even might not work when voltage is too low.

Unless paired with Webcams, these adapters cannot be used for video exportation, i.e, these adapters cannot work with cables, adapters, docking stations with HD, DisplayPort or any other interfaces for video output.