The metronome and tuner can be used simultaneously or independently. This unique device is all you need to practice keeping the rhythm and the right tone. Will be very useful no matter what instrument you play. Featuring a mic cable and a pitch range between 410 and 450 Hz, and it is incremented by 1 Hz. It will tune any instrument that makes an audible sound. Easy adjustment of the Tempo: Allows you to set any tempo between 30 and 260 bpm in a single step, and helps improve your timing in a rich variety of musical styles. Incredible Features: Has a retro -two-level lighting that improves visibility of the LCD screen. Can be connected to the earphone for practice. The volume is adjustable according to usage habits. 2 AAA batteries and a microphone cable are included. Color: Black Delivery quantity: 1 piece