233621 or THE NUMBER BRAND as some people prefer to call us is an environmentally responsible audio brand.

 

233621 was built on the following environmentally sustainable pillars:

 

Reducing Energy Consumption – 233621 headphones are manufactured in Shenzhen International Low-Carbon City in China, a leading project of the sustainable urbanization cooperation between China and the European Union.

​

Sustainable Packaging - At 233621 we aim to ensure that more than 90% of our packaging is recyclable. Our packaging might not look as good as some of the others...but it's kind to the environment.

​

​

We believe you can enjoy your music and be kind to the environment as well.

​