Commute, work or travel in silence with these hybrid and earbuds. The function makes sure outside noise is reduced for optimal concentration. The functions filters away external sounds when making a phone call to have a more clear calling experience. The earbuds and charging case are made with (Recycled Claim Standard) certified recycled ABS. Total recycled content: 66% based on total item weight. Certification ensures a completely certified supply chain of the recycled materials. The earbuds come in a compact 200 mAh charging case that allows you to charge and take your earbuds wherever you go. The earbuds use BT 5. 3 For automatic pairing without any hassle and a stable connection. The earbuds have a 30 mAh battery that allows a play time of up to 5 hours (with) and 7 hours (without) and can be re charged in 1. 5 Hours in the charging case. The wireless distance range is up to 10 meters. Degree: 23 DB. Including 3 size eartips.