Welcome to the world of Ultimate Ears. Hear your music like never before with Ultimate Ears WONDERBOOM, the super-portable Bluetooth speaker with surprisingly big sound that is clear, crisp and full of big, beautiful bass. And even better, with 10 hours of playback and a completely waterproof design, you can take it anywhere. Go from picnics in the park to binge-watching shows with furry friends; from the beach to the shower and back without missing a beat. And if you need to really turn things up, quickly pair two together for even more sound. Surprisingly big sound, waterproof, dustproof and shockproof. It also floats; 10-hour battery life and 30-m (100-ft) Bluetooth wireless range. Tap a button to play, pause or skip songs and connect two to party louder. 2 speakers. Compatible with iPod, iPhone and iPad. This device uses the Apple Lightning Connector which is compatible with 5th Generation Apple devices and onwards. If you do not have a 5th Generation device or newer, you will need an adaptor (sold separately). Bluetooth compatible. 3.5mm AUX in. 8.5 watts per speaker. Frequency 80Hz-20000Hz. General information Size H10.2, W9.35, D9.35cm. Model number 984-000855. Speaker diameter 9.35cm. Power from USB. USB cable included. Rechargeable batteries (included) . Battery life 10 hours. (not included). Manufacturers 2 year guarantee.