Feature: 1. EASY TO SWITCH: AMT‑100 rechargeable clip on tuner can be used as a tuner or metronome, allo you to rotate 180° to switch modes automatically 2. USB RECHARGEABLE: Metronome come with built in rechargeable battery, can be charged via the included USB cable easily, you can use with confidence 3. CLEAR LCD: Guitar tuner adopt high definition color screen to make operating easier and clear. Support users setting memory function, more useful 4. FLEXIBLE AND PRACTICAL: Guitar clip on tuner is very flexible to change angles for better reading information, provide great convenience for your practice 5. APPLICABLE SCENARIO: Metronome can be placed in front or on rear of the instrument. Suitable for chromatic, guitar, bass, ukulele, violin tuning Specification: Item Type: Guitar Tuner Model: AMT-100 Color: Black Tuning Items: Chromatic(C), Guitar(G), Bass(B), Ukulele(U), Violin(V) Tuning Detection Range: A0(27.5Hz)-C8(4186.00Hz) Tuning Mode: Clipping on instrument by picking up vibration only Tuning Pitch Range: 430Hz-450Hz Tuning Accuracy: ±0.5 Cent Metronome Tempo Range: 30bpm-260bpm Beats: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 Power Supply: Rechargeable built in battery 3.7V 110mAH Weight: 28 g / 1 oz(approx.). Package List: 1 x Tuner 1 x USB Cable 1 x User Manual Note: Please operating it at a suitable distance from radio, television and other electrical devices.