Ultimate Ears UE Boom 2 Blue Wireless Bluetooth 360 Surround Speaker Boom2 97855130228 | eBay
Gikysuiz Replacement Battery for Logitech UE Boom/UE Boom2/UE Blast/UE Boom 3 Wireless Bluetooth Speaker fits Part No Logitech S-00151/S-00122/S-00170/S-00166 3400mAh/3.7V - Newegg.com
The UE Boom 2 is an excellent portable speaker that you can still get in time for Christmas - The Verge
Amazon.com: VOTY Charger Cable for Logitech UE Boom Speaker,Micro USB Power Charging Cord Line Replacement for Ultimate Ears Wonderboom,UE Boom 2, Megaboom,Miniboom,Mobileboombox Roll 2 Wire : Electronics