> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/bpi-m2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bananapi.gitbook.io/bpi-m2/zh/bpi-m2otginterface.md).

# BPI-M2 OTG interface

banana pi BPI-M2 have 1 OTG port on board.

**Note:**

you also can use OTG port power BPI-M2