Casio announced a new addition to its Casiotone line of portable electronic keyboards with a feature that could help aspiring musicians master skills like rhythm and timing without the frustrations or discouragement of hitting the wrong note. The Casiotone CT-FS1 is available now for $399.
Source: [The Verge](https://www.theverge.com/tech/1025673/casio-digital-piano-keyboard-ct-fs1-feel-sync-technology)