🎶 Block diameter: 8.5 cm ( 3.3 inch)
- melodies play one after another in a circle, switch automatically;
- sounding of one melody 12-20 seconds;
- the total sound of 35 melodies is approximately 9 minutes;
- the music unit has a volume control;
- from 2 AA batteries (are not included in the package!)
- before shipping, the box is tested for serviceability.