Boss TU-05 Rechargeable Clip on Tuner

TU-05 Rechargeable Clip-On Tuner Reliable and accurate headstock tuner with a large, high-contrast color display, four tuning modes, and built-in rechargeable battery.The TU-05 brings reliable and accurate tuning to the headstock of your favorite stringed instrument, with a large, high-contrast color display and four different tuning modes. A long-lasting rechargeable battery is built in, eliminating the cost and hassle of battery swaps.