The PineBuds Pro are a pair of true wireless in-ear headphones capable of running open firmware. The open firmware is actively developed and maintained by the community. In the future, the open firmware will not only allow you to change the PineBuds Pro sound signature, but will also make it possible to alter the touch input controls and tune the response frequency to your ear canal.
You can flash the firmware by connecting the headphones to your Windows, Linux of MacOS computer via USB-C. Each of the earbuds shows up as a UART connection. To learn more please visit the community Wiki Pinebuds Pro page.