Powerful 3W wireless speaker with integrated solar panel on the back made with RCS certified recycled ABS. Total recycled content: 38% based on total item weight. RCS certification ensures a completely certified supply chain of the recycled materials. The speaker uses high quality monocrystalline solar panels with 19% conversion rate. Charge rate depends on conditions. Charging speed solar: 5V/80mA. The speaker is equipped with a 400 mAh battery to ensure up to 4 hours of playing time and BT5.3 for smooth connection and clear sound. Connection range up to 10 metres. With mic and pick up function to answer calls. With integrated 30 lumen LED light. Packed in FSC mix FSC® box. Including RCS certified recycled TPE charging cable. Item and accessories 100% PVC free. IPX 5 waterproof.