Portability and accuracy are at the heart of the Carry-on Clip-on Tuners. Multiple modes for different stringed instruments and their compact, lightweight design make them perfect for tuning in your bedroom or on stage. The tuners clip is lined with rubber to keep your tuner firmly in place and help prevent scratches to your instrument. The large, colour LCD screen, makes tuning a breeze and auto power off ensures you dont waste charge. TUNING MODES Chromatic, Guitar, Bass, Ukulele C and Violin BATTERY Rechargeable lithium battery by USB-C with a battery life 270mins DISPLAY 22 x 38mm swivel LED illuminated screen DEVICE MEMORY Yes AUTO POWER OFF Yes ADJUSTABLE PITCH REFERENCE Yes