From Manufacturer
Designed for working out in nearly any type of weather, the Endurance RUNBT Wireless In-Ear Sport Headphones from JBL are engineered with an IPX5-rated sweatproof construction. With FlexSoft eartips and TwistLock technology, the Endurance RUNBT are made to feel comfortable while maintaining a secure fit.
Utilizing wireless Bluetooth technology, the Endurance RUNBT gives you the freedom of placing your mobile device where it's most comfortable while you exercise. There's enough power for up to 6 hours of wireless audio per charge, and a built-in microphone supports hands-free calls when paired with a compatible smartphone.
Fliphook
The Fliphook design of the earbuds gives you two ways to wear them. You can wear then as a standard in-ear headphone, or you can wrap some of the wire behind your ear.
In-Line Controls
In-line controls give you the ability to manage calls and audio playback without having to physically access your mobile device. With a double-press of a button, you can also activate Google Now or Siri mobile assistants.
Magnetic Earbuds
The two earbuds have built-in magnets and can snap together when not in use, letting you conveniently wear the JBL headphones around your neck.