Sony SRS-XB21 Portable Wireless Waterproof Speaker with Extra Bass and 12-Hour Battery Life – Black
Amazon.co.uk Price: £109.99 (as of 22/07/2021 21:13 PST- Details) Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Waterproof and dustproof design (IP67 rated) so you can take your speaker anywhere, the speaker can be immersed in water up to 1 m for 30 minutes
Connect up to 100 speakers via Bluetooth
12 hour battery life so the party never stops