D’Addario’s rechargeable Nexxus 360™ Tuner offers fast, accurate tuning without the cost and hassle of replacing batteries. The discreet, clip-on design features 360-degree rotation, plus a super bright, full color LED display, assuring a perfect viewing angle and screen clarity in any lighting. Simply plug the supplied USB-C cable into any USB-C power device as needed and enjoy 24 hours of tuning time per charge.