Tailor-made for dance music, innovative EXTRA BASS technology enhances deep, punchy bass sound. Carry your sounds anywhere, just grab and go wherever the music takes you and be ready for anything with its water-resistant design. You can double the power and stereo sound by wirelessly connecting two speakers. NFC Bluetooth technology remove the need for wired connections and complex set-up sequences. Party day and night thanks to an extended 24 hours battery life. Whether you want to take the party poolside or just use your speaker outdoors, the water-resistant design will give you peace of mind. With a 24 hour battery life, party day and night. Thanks to an extended battery life, your tunes will go the extra distance ; meaning you can keep the party going for even longer. Ready for anything. Excellent waterproof properties equivalent to waterproof grade ipx5. 1 speaker. Compatible with iPod, iPhone and iPad. Bluetooth compatible. 3.5mm AUX in. Frequency 20Hz-20000Hz. General information Size H8, W21.11, D8.3cm. Model number srsxb3b. Eu8. Speaker diameter 4.8cm. Mains operated. Power from USB. Batteries required 1 x rechargeable batteries (included) . Battery life 24 hours.