Cool Music CSP-1 Photon Rechargeable Guitar Tuner
Cool Music CSP-1 Photon Rechargeable Guitar Tuner: Never get caught with a dead battery in your tuner. Fully chromatic clip-on tuner, works for all stringed instruments. Bright LCD screen, comes with battery and USB port recharge cord. Recharge takes about two hours. Use time varies from several weeks to two months, depending on usage.