McDonalds paper cup holders can also be made into unplugged speakers
In recent years, fast food industry practitioners have been environmentally friendly and reused product containers and parts. For example, McDonalds in the Netherlands once made placemats that can For paper keyboards that play music, Hong Kong Pizza Hut once made a pizza box into a projector. In order to make it easier for consumers to use mobile phones, KFC put a Bluetooth keyboard into a paper placemat. Now McDonalds in Canada has made a cup holder from a discarded cup. Into environmentally friendly speakers with different plug-ins.
This McDonalds branch is located in Toronto, Canada. In order to celebrate the birthday of the product, we specially invited the studio and the universitys sound research team to work together to use the drink cup shelf as the bottom, and then match it with two An awl-shaped amplifying device is inserted into a mobile phone to act as a speaker to amplify the volume of the mobile phone.
Unlike other speakers, this speaker does not require the use of any electronicsEquipment only needs to use items with specially designed shapes to increase the amplitude of sound through sound resonance or reflection. The product launched by McDonalds this time has the same principle.
