• ・With a push of the button will unleash 40kHz of vibrations into your beer. That's 40,000 vibrations per second! And in a few seconds you will have a froth as thick as you would get from any real tap.
• ・Compatible with any open 250ml(8 fl oz), 330ml(10 fl oz), 350ml(12 fl oz), or 500ml(17 fl oz) beer cans.
• ・Easy to carry, use, and clean, this portable and handy device will make drinking beer at home or on picnics so much better!
• ・Only need to plug-in two AAA alkaline batteries to power the device for using it up to 3.5 hours.