Daddario PW-CT-26 Rechargable USB Tuner

Quick Tuning: Tune your guitar or bass with ease with the Nexxus 360 Rechargeable Guitar Tuner; Featuring quick and accurate tuning, large screen, and strong clamp that rotates 360 degrees for a variety of viewing angles Rechargeable guitar tuner: enjoy 24 hours of guitar tuning time per charge without changing or buying batteries; simply plug the supplied USB cable into any usb power device as needed Extreme accuracy - great accuracy with a wide calibration range (415-465 hz) guarantees precise performance; calibration is also adjustable Bright screen that rotates: extra bright led display for tuning your instrument in various lighting conditions; display rotates 360-degrees to your viewing position needs Strong clamp: the nexxus 360 clip on guitar tuner can be mounted anywhere on the headstock without worries of slipping