Ultimate Ears MINIROLL Ultra-Portable Waterproof Bluetooth Speaker, Big Bass, IP67 Dustproof, 40 m (131 ft) Range - Gentle Black : Amazon.co.uk: Electronics & Photo

Crisp, Clear and Bassy: Surprisingly big bass in one petite, portable speaker 12 Hours of Boom: The MINIROLL portable wireless speaker gives you tons of playtime, no matter where you take it Waterproof and Dustproof: This IP67-rated waterproof speaker can be submerged in 1 m of water for 30 minutes and is protected against dust; great for the pool, beach, or shower PartyUp: Pair several MINIROLL portable Bluetooth speakers with Auracast to get extra loud 40 Metres (131 Feet) of Range: A small Bluetooth speaker with big wireless range Made With Recycled Plastic: The plastic parts in the MINIROLL mini speaker contain a minimum of 40% post-consumer recycled plastic by weight