The JBL Xtreme 3's Small Upgrades from the JBL Xtreme and Xtreme 2: Worth it? – SelectoGuru.com
JBL Xtreme 2 portable Bluetooth speaker connects to up to 2 smartphones or tablets » Gadget Flow
JBL Xtreme 3 - Portable Bluetooth Speaker, Powerful Sound and deep bass, IP67 Waterproof, 15 Hours of Playtime, powerbank, PartyBoost for Multi-Speaker Pairing (Camo)