GS481 Aluminium Musical Cap

Musical Cap is a novel electronic consumption product. It is easy to be installed into bottle because it is very small and light.
1) The music will be played once opening the cap.
2) Various single melody or music can be recorded according to different demand
3) Application: wine and beverage bottle, gift packaging.
4) Melody duration: 10~60 seconds
5) Size: D28 x H38mm for aluminum cap to play single melody.
(customized dimension is welcome. But the Buyer need to provide 3pcs bottle samples).
6) Component: cell battery, aluminium bottle cap and sound device.