Compare Sony Sony SRS-XB23 Portable Wireless Bluetooth Speaker, Green EXTRA BASS™ sound Compact, lightweight and highly portable X-Balanced Speaker Unit for clear, powerful sound Waterproof, dustproof (IP67 rated) and shockproof Up to 12 hours of battery life (EXTRA BASS™: Up to 10 hours) £99.00 £79.00 Add to Wishlist Add to Cart