Trombone Tuner Pack - Snark SN2 All Instrument Tuner with Tap Tempo Metronome Includes Bonus Trombone Cleaning Cloth Trombone Tuner Pack includes Snark SN2 All Instrument Tuner with Tap Tempo Metronome and Bonus Trombone Cleaning Cloth stay put clip, display rotates 360 degrees for easy viewing Extended frequency range for all instruments Tap Tempo Metronome with High sensitivity vibration sensor and internal mic Microfiber cleaning cloth provides easy cleaning; removes dust, dirt, smudges, and fingerprints.