Next-generation wireless headphones in charging case. They are made of RCS certified recycled ABS (Recycled Claim Standard). Total recycled content: 56% based on the total weight of the item. The RCS certification guarantees a completely certified supply chain of recycled materials. The perfectly fitted headphones have a 35 mAh battery and can be recharged in the 300 mAh charging case in 1.5 hours. Easy automatic pairing with your mobile device. Medium volume playback time of about 3 hours. With BT 5.3 for optimal connection. Operating distance of up to 10 meters. With touch sensor and microphone. Stereo function and microphone to answer calls and touch sensor to stop the music or answer calls by simply touching the headphones. Includes 3 sizes of silicone ear pads. Includes certified recycled TPE charging cable. Packaged in mixed FSC® packaging. 100% PVC free.