Sony SRS-XB23 – Super-Portable, Powerful and Durable, Waterproof, Wireless Bluetooth Speaker with Extra BASS – Black

Customers praise the speaker's sound quality, with one noting its solid mid and low ranges for its size, and appreciate its Bluetooth connectivity, easy pairing with phones, and portability, with one mentioning it can be taken anywhere in the shower. Moreover, the speaker receives positive feedback for its functionality, value for money, and versatility, with one customer highlighting its suitability for poolside use. However, battery life receives mixed reviews - while some say it holds charge for a long time, others are disappointed with its performance after charging.