Sennheiser PMX 684i Sports Running Neckband Headphone Grey/Green Used Brand Sennheiser Color Green Ear Placement In Ear Form Factor In Ear Noise Control Sound Isolation About this item Sennheiser pox 684i combines the superb sound quality of Sennheiser products with a headset specifically designed to cater directly to the needs of the modern athlete These Ultralight Apple/iPhone/iPad compatible headphones feature an ultra-lightweight neckband which remains secure during your exercise, making them perfect for workouts, biking, skating and running They are sweat and water resistant and have a smart Remote with a microphone and volume control The in-ear design provides a secure fit, so you can feel confident that they won't fall out even during intense workouts These earbuds are safe for bikers or runners on the street because they feature passive, noise isolating technology to allow you to make calls/enjoy your music while staying aware of your surroundings