JBL Endurance JUMP headphones have your back when it?s time to take your workout leaps and bounds ahead. Guaranteed never to hurt or fall out, these buds let you turn on the energy ? instantly. Slip on the PowerHook? design and they automatically power on. Move in confidence with a wireless neckband and TwistLock? ear tips. Endure the elements with IPX7 waterproofing and 8-hours of battery life. And if that?s not enough, be ready for more in a few minutes thanks to a convenient Speed Charge battery.