Top features: - Wireless Bluetooth connectivity lets you exercise unrestricted - Enhance your training with in-ear coaching - Dolby sound technology for great quality music playback - Durable military grade design is sweat and waterproof Wireless Bluetooth connectivity Compatible with all smartphones, the Jabra Coach Headphones are easy to connect to any Bluetooth-enabled device, so you don't have to worry about wires getting your way when you're working out. Offering a 10 metre wireless range, the Bluetooth connectivity makes sure that nothing restricts your movement. Enhance your training Using Jabra's fitness app you can enhance your training by following in-ear feedback and coaching. Able to automatically count your reps, the Coach Special Edition Headphones have a motion sensor built in, so that you don't have to worry about losing count of each rep. And when you're finished you can monitor and evaluate your performance on the app and plan future training. Dolby sound technology Even if you're not heading to the gym, the Jabra Headphones are great for music playback, with premium Dolby sound technology that makes every song sound clear. Playback and volume controls are placed in-line for easy access, with call-answering abilities so that you never have to miss a thing. Durable military grade design Built to match US Military standards, the Coach Wireless Headphones have an IP55 rating, which means that they are sweat and weatherproof, with protection against shocks, sand and dust.