Your Portable audio could get a cut-price upgrade today with a fantastic discount on the Sony SRS-XB100 Speaker. You can grab this popular Bluetooth speaker for just $33, down from its usual price of $59.99. This 45% savings off the recommended retail price represents the lowest cost we’ve ever tracked on the device. Sony SRS-XB100 Speaker for $33 (45% off)The Sony SRS-XB100 is crafted for portability and rugged use. With an IP67 rating, it’s waterproof and dustproof, ideal for outdoor adventures. It offers up to 16 hours of playback on a single charge, so you can keep the music going…