UE Boom review: A Bluetooth speaker for the great outdoors - CNET
Battery for Logitech UE BOOM Speaker UE BOOM 2 Player Bateria Li Ion Lithium Rechargeable Accumulator Replacement 3.7V 3200mAh|Digital Batteries| - AliExpress
Review: Ultimate Ears' Boom 3 is a solid Bluetooth speaker with a few minor advantages | AppleInsider
Ultimate Ears Boom Review: Ultimate Ears' portable speaker is small, simple, sturdy, and sounds great - Home Entertainment - Speakers - Good Gear Guide
UE BOOM 3 review: A better boom from a smaller speaker - SoundGuys