Rugged Bluetooth Audio Speaker - £24.95 - Satellite TV Shop GB - 020 3507 0128
CAT Bluetooth Rugged WORKSITE Speaker: Amazon.co.uk: Electronics & Photo
DemerBox: World's Toughest Waterproof Bluetooth Speakers. Portable Rugged Bluetooth Speakers with Deep Bass & Loud Sound, 50hr Battery Life, Internal Storage + USB Charging, 100ft Bluetooth Range : Amazon.co.uk: Electronics & Photo