These wireless earbuds are not only designed to deliver clear sound and strong bass, but they are also made with sustainability in mind. The earbuds are crafted using RCS (Recycled Claim Standard) certified recycled aluminium and ABS, with a total recycled content of 64% based on the total item weight. This certification ensures a completely certified supply chain of recycled materials, making these earbuds an eco-friendly choice. The aluminium used in these earbuds does not lose its characteristics in the recycling process and can be recycled endlessly, reducing waste. The package includes a recycled type C charging cable made from RCS certified recycled aluminium, TPE, and PET, further enhancing its sustainability. With a 40mAh battery, these earbuds provide up to 5 hours of playtime and can be fully recharged in just 1.5 hours using the 300mAh charging case. The earbuds feature BT 5.3 technology, ensuring a smooth connection within a range of up to 10 meters. To top it off, these wireless earbuds are packed in FSC® mix packaging, promoting responsible forest management. Both the item and accessories are 100% PVC free, adding to their eco-friendly attributes. With their exceptional sound quality, sustainable materials, and environmentally-conscious packaging, these wireless earbuds are a perfect choice for those who prioritize both audio performance and sustainability.