Bluetooth speaker The first sustainable device in its price class. Make every day World Music Day: with the Jam Earth Bluetooth speaker, you can do so with a clear conscience. Its eco-friendly design is made from 100% recycled plastic. With a playtime of up to 30 hours and a 3.5 W RMS total output power, the Jam Earth Bluetooth speaker provides impressive sound. Thanks to the rechargeable lithium polymer battery with 3.7 volts and 2,500 mAh, you can practically enjoy music around the clock. It also guarantees waterproof enjoyment and won't let a summer rain spoil your party mood. This is guaranteed by the IPX7 protection class of its housing. Main features Speakers Number of speakers 1 Audio RMS power 3.5 W Connections and interfaces Transmission technology Wired & wireless WLAN No Bluetooth Yes 3.5 mm connection No AUX input Yes Bluetooth version 5.0 Bluetooth range 30 m USB Connectivity.