Snark SN-3 Guitar & Bass Tuner with SN3 Tap Tempo Metronome and Full Color Display - Includes: Guitar Pick Sampler Full Color Display Tune Using Built-in Mic or Input Jack Electronic Pitchpipe Plays C C# D D# E F F# G G# A A# B Built-in Speaker Tap Tempo Metronome Pitch Calibration (415-466Hz) Fully Chromatic Tuning. Includes: Guitar Pick Sampler