... Clip Yahee's Guitar Tuner Acoustic String Tuning Digital Head Clip,YHA-HG094Trade Manager: ... by vibration which provides the user with accurate tuning.Brand new and high qualityCompact design and ... you take it anywhereWorks by vibration, accurate tuning despite ambient noiseEasy-to-read LED indicator tell ... you which way to tuneTune to standard guitar tuning of B, E, A, D, G, B ...