Open-ear comfort with memory wire neckband. IP68 Water and dust proof agains sweat rain salt water and sand. JBL OpenSound technology with sensitive 18mm x 11mm dyanmic driver. 2 Mics for clear call quality cancel out ambient noise. Up to 10 hours of playtime on a single charge. 10 Minute quick charge provides up to 4 hours of use. JBL Headphones app - select EQ use Relax Mode and more. 3-Button controls manages volume calls and music without phone. Multi-Point Connection + Fast Pair enabled by Google. Google Finder and Google Audio Switch.