The best portable Bluetooth speaker you could buy: the Logitech UE Boom | Mobile Fun Blog
Ultimate Ears BOOM 3 Portable Bluetooth Speaker System - Night Black - 90 Hz to 20 kHz - 360? Circle Sound - Battery Rechargeable 984-001348 681920171133
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Ultimate Ears BOOM 3 - speaker - for portable use - wireless - 984-001348 - Speakers - CDW.com