The freedom of true wireless allows the music to take over and pushes you to higher peaks. The flexible and secure ear hook design automatically turns the power on/off when putting on or taking off the earphones. These headphones can switch on and off without the need to replace them back in their case every time IPX7 Waterproof and Sweatproof material Enjoy more than a day of wireless audio, with 4 hours of continuous playback and 24 hours of backup power from the charging case Touch enabled controls to easily manage your music and calls With a 10-minute quick charge for 1 hour of music playback Smart Charging Case Free yourself from all constraints and be ready to reach a new level of performance with the JBL Endurance PEAK headphones. Enjoy the freedom of a fully wireless workout without the need to recharge the headphones for as long as 28 hours (4h + 24h backup power). But if you feel like you still have more to give, it only takes 10 minutes of recharging for another hour of motivating music. Thanks to the Power Hook technology, the JBL Endurance PEAK headphones conveniently power on and off as you start wearing them, so they’re ready to attack each and every workout whenever you are. In addition, the Power Hook lets you switch off your TWS buds without reaching for your charging case each time. With their IPX7 waterproof design, the JBL Endurance PEAK are also guaranteed never to hurt or fall out and feature a flexible around the ears hook for extra security. In addition, the JBL Endurance PEAK headphones work in both mono and stereo mode and allow you to seamlessly control your sound or calls directly on the earpiece using their convenient touch controls. And when your workout is over, simply put your headphones in the rugged storage case.