Features100% brand new and high quality. Digital Metronome Tuner for Chronic/Guitar/Bass/Violin/UkuleleA must-have tool for professional and beginner guitarists, bassists and violinists, etc. lightweight and portable, easy to carry in your pocketRange: chromatic, guitar, bass, violin, A4 calibration stroke: 430-450Hz, Tuning position: b/bb, Tempo: 30-260 BPMThe tuning tolerance: +-0.5 cents, Beat: 0,1,2,3,4,5,6,7,8,9, size: 100x65x17mm, signal cable length: 0.9m, color: black. Voltage input:( 2 x AAA battery not included)Two ways to receive the signal, built-in microphone or receiving cable. Small and exquisite appearance, convenient to carry. Product DescriptionThis portable gadget can work as a Tuner and metronome. It can help keep your guitar, chromatic, bass, violin, and ukulele in tune as a tuner, while as a metronome it can help you maintain a steady tempo while playing, or help internalize a distinct sense of time and tempo. Pickup (6.3mm) and built-in microphone allow users to pick up the signal in two ways. It is a good helper for beginners. Try! Specifications:Tuning Mode: Chromatic, Guitar, Bass, Violin, UkuleleStroke: 430-450HzTempo Precision: ± 0.5%Tempo Range: 30-260bpmBeat: 0,1,2,3,4,5,6,7,8,9Rhythm: 9 TypesTuning Mode: Mic, Pickup CablePower: 2 * AAA BatteriesDisplay Size: About 5.2 * 2.6cm / 2 * 1in Item Weight: 65g / 2.3ozPackage Size: 19 * 13 * 1.8cm / 7.5 * 5.1 * 0.7inPackage Weight: 121g / 4.3oz Package List:1 *