Are you a musician, and your instruments always seem to be out of tune? If so, you ought to take a look at the ENO ET-08 tuner. One big advantage of this tuner is its universality, so you can use it to tune the most popular string instruments. The tuner's sensor reads the vibration of the instrument, so you'll be able to tune it flawlessly. Simply attach tuner to the head of your instrument. The ENO tuner is powered by CR2032 battery. The colour of this model: black. All musicians need a properly tuned instrument.