The Singer [v0.5.4] -

: A sliding button allows you to easily adjust the sewing speed between slower and faster settings.

: A built-in small blade cuts the bobbin thread automatically, which removes the need to manually pull the thread up through the needle plate. The Singer [v0.5.4]

: Specific buttons are available to lower the needle for delicate work (like handling screws) and to bring it back up once finished. : A sliding button allows you to easily

For a visual walkthrough of these features and more, check out this guide to the Singer One Plus: The Singer [v0.5.4]