<!--ProdInc[180030329]/Mall:[reioutlet_US]-->These adjust to fit comfortably with bendable Powerhook\u2122 and TwistLock\u2122 ear hook enhancers to ensure a secure, comfortable fit that stays in no matter how you move Durable IP68 dustproof and waterproof design can handle the dustiest mountain trail and the sweatiest gym session Theyll endure for 30 min. at depths up to 1.5 m of salt or fresh water so you can surf with your earbuds, or rinse them after a workout Get the most out of your favorite workout playlist with rich bass from a 10 mm dynamic driver that delivers bold sound when you need it most Provide up to 50 total hours of playback with speed charge\u2014up to 10 hrs. of battery power in the earbuds and 40 hrs. in the case When you need a boost, speed charge up to 1 hr. of playtime in just 10 min. Whether youre out for a run or in the zone at the gym, TalkThru makes it easy to make and hear calls anywhere Ambient Aware lets you stay alert to your surroundings without removing your headphones Even on a windy bike trail, your voice will be heard thanks to dual beamforming mics in each ear VoiceAware lets you choose how much of your own voice to hear by controlling the amount of mic input routed back into your earbuds When you take the earbuds off they automatically switch off even if you dont put them back in the charging case Personalize the headphone settings to suit your needs with the dedicated JBL app