You Save: US $4.35

The Pocket Tones are a handy, durable and compact device, which may be carried in your pocket or purse as a key fob; or they can fit conveniently in an instrument case for accurate tones whenever you need them.

• Super compact, use it as a key fob!
• Fast, accurate tones anytime with no hassle
• It's the perfect answer for an immediate tone, and it is always at hand Batteries included.