TWS earbuds where the the earbud and the charging case are made out of RCS certified recycled ABS plastic. RCS (Recycled Claim Standard) is a standard to verify the recycled content of a product throughout the whole supply chain. Total recycled content: 67% based on total item weight. The wireless headphone uses BT 5.0 for super smooth connection and long lasting play-time. The 40 mah battery allows a play time of up to 4 hours and can be fully re-charged in the 300 mah charging case in 1.5 hours. Operating distance up to 10 metres. With mic and touch pick up function. Item and accessories PVC free. Including PVC free recycled TPE material charging cable.