The JAM Speaker has incredible sound for a compact speaker and works with all Bluetooth devices. The speaker has a built-in rechargeable battery giving over 4 hours playback using Bluetooth and 12 hours when using the AUX port. The smart and solid design makes it easy to take camping or on holiday. 1 speaker. Compatible with iPod, iPhone and iPad. Bluetooth compatible. 3.5mm AUX in. 1.5 watts per speaker. Frequency 100Hz-18Hz. General information Size H6.6, W7.1, D7.1cm. Model number HX-P230BLA-EU. Power from USB. USB cable included. Li-Ion batteries (included) . Battery life 4 hours. Manufacturers 2 year guarantee.