This is a Bluetooth-enabled interlocking player created and marketed by a Japanese developer.
It can be downloaded via fantia.
https://fantia.jp/products/46085
1. Switch on the A10 Piston SA.
Switch on the power and check that the green light is on.
2. Start SyncPlayerBLE and click Connect
Click Connect in the SyncPlayerBLE where it says Piston SA.
If the connection has been made, the A10 Piston SA light turns blue and the Connect button changes to a Disconnect button.

1. Place video and funscript in the same folder
2. Name the video and the funscript the same file name and include PISTON in the name.
3. Select a folder from Browse for Folder

4. Double-click to play the video and confirm that the A10 Piston SA works.