1-5pc Portable Guitar Pick & Tuner Combo 2-in-1 Guitar Pick Folk Guitar & Ukulele Tuner Digital Electronic Tuner for Acoustic

High-concerned chemical : None Brand Name : Shunmaii 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)