1-3PCS 2 in 1 Guitar Picks Tuner Acoustic Guitar Tuner Electric Guitar Tuner for Acoustic Electric Guitar Bass Mandolin

High-concerned chemical : None Origin : Mainland China Guitar Tuner : Digital Electronic Tuner Acoustic Guitar Tuner : Electric Guitar Tuner Origin : Mainland China Size : 4*3.2*0.7cm Color : White Material : ABS+metal Tuning item : 12-tone equal temperament Applicable to : Guitar and bass tuning Battery : CR2016 button battery (3V) (not included)