Top features:- Wireless for a distraction-free listening experience- JVC Run & Music App to motivate you in your workouts- Eight-hour battery life so that you never run out of music- Magnetic earpieces to prevent losing your headphonesWirelessThese JVC HA-EC30BT-BE Wireless Bluetooth Headphones let you enjoy complete freedom of movement – do yoga in the park, shop in a crowded mall or accomplish your work tasks without worrying about dangling cables. For even more convenience, a three-button remote lets you explore your music and answer calls hands free when you need to. JVC Run & Music AppThe HA-EC30BT-BE Headphones work with the JVC Run & Play app to help you perform at your best by customising your playlists to the type of workout you are doing. Like an effective coach, the app lets you know when you need to be pushing harder. Eight-hour battery lifeA long battery life means you can enjoy your music on your way to work in the morning and hit the gym straight afterwards without running out of power. Magnetic earpiecesWorry less about losing your headphones. These JVC HA-EC30BT-BE are designed with magnets so that the earpieces lock together and hang like a necklace when not in use.