JOYO JM-60 Mini Portable Rechargeable Clip-on Electronic Digital Metronome Tone Generator Tuner for Guitar Violin Ukulele (White) 1. Mini size with clear loud sound for easy and convenient use. 2. You can stand it up using the back rest, clip it onto a music stand, wrist it on your waist. 3. 12 accurate syllables for tone generator, 5 built-in tones. 4. Editable stored 9 parameters, fast switching by one button. 5. LCD screen to display working information, you can adjust tempo, beat, rhythm, prog, sound, vol. 6. Built-in rechargeable lithium battery and convenient USB adapter to ensure long duration. 7. Metronome suitable for guitar, piano, violin etc, to help you have better rhythm. Specifications 1. Tone generator: C, C#, D, D#, E, F, F#, G, G#, A, A#, B 2. Battery: built-in 4.2V lithium battery 3. Charging port: USB adapter 4. Item size: 4.5 x 4 x 0.8cm 1.8 x 1.6 x 0.3in 5. Item weight: 20g 0.7oz 6. Package List: 1x Metronome 1x USB cable 1x Sling 1x Clip 1x User Manual(English & Chinese) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store