Description The Eclipse Rechargeable Cello & Bass Tuner offers fast, accurate tuning for unparalleled performance. This clip-on tuner pairs beautifully with lower-stringed instruments to offer fast, accurate chromatic tuning in a discreet, compact design. It features a full-color vertical display, auto power-off, and pitch calibration, with 24 hours of tuning per charge. The multi-swivel action allows for the perfect viewing angle when used with cello and double bass. For optimum accuracy, attach the tuner to the lower-strings side of the bridge while in use. 1 ft USB-C cable included for charging. Ideal For:  Cello Double Bass Electric Bass SPECIFICATIONS: 24 hours of tuning per charge (USB cable included). Optimized for the low frequencies of cello and bass. Fast and accurate tuning. Full-color, dual-swivel vertical display for the perfect viewing angle. Tuner calibration from 430 to 450Hz. *Cello not included*