Seiko STX1 Vibration Sensing Tuner

Clips Onto Guitar Headstock or Violin Bridge and Senses String Vibration for Highly Accurate Tuning

Wide Tuning Range for Bass Guitars and Drop Tunings

12 Pitch Reference Notes: C4_B4

Adjustable Calibration: 415, 438_445hz, 1hz Increments

Built In Microphone

Auto Power Off After 20 Minutes

Memory Back-Up

Lithium Battery Included: CR2032 x 1