Built to endure your personal bests: JBL Endurance Peak 3 earbuds will become your favourite workout partner, pumping your motivational playlists with JBL Pure Bass Sound you can both hear and feel Stay in the zone: Enjoy up to 10 hours playback in the earbuds and 40 in the charging case; with AmbientAware & TalkThru it's easy to hear calls anywhere as well as listen to music while staying alert Waterproof and dustproof: These earbuds endure any weather thanks to an IP68 rating and can even handle a depth of up to 1.5 metres in salt or freshwater, so you can surf or rinse them after a workout Comfortable and secure: The TwistLock ear hook enhancer gives an ergonomic fit that ensures your headphones won't fall out during training, plus they will automatically switch off when you remove them