The D'Addario Eclipse Rechargeable cello/bass clip-on tuner offers fast and accurate tuning for your instrument. With its discreet, compact design, this tuner pairs beautifully with your cello or bass while providing chromatic tuning on a full-color vertical display. You get up to 24 hours of tuning between charges and a USB-C cable is included for convenient charging. The multi-swivel action allows you to view the display at the perfect angle for your instrument. For the most accurate tuning, simply attach the tuner to the lower-string side of the bridge. This tuner is designed to make tuning quick and frustration-free so you can focus on your performance.