Top features: - Great sound isolation to help you focus your attention on your personal goals - Compact, wireless Bluetooth design keeps your hands free so you can perform at your best - Universal ControlTalk to easily control your music, as well as make and receive calls High sound isolation Monster iSport Achieve Wireless Bluetooth Headphones let you focus on the task at hand. Whether it's your running technique or ticking things off your to-do list around town, these earphones provide 90% noise isolation so that you aren't distracted by traffic noise or the hubbub of office colleagues. Compact, wireless Bluetooth design Wear your helmet or goggles over the headphones, and move the way you need to. The iSport Achieve Bluetooth Headphones offer a snug fit that gives you total freedom of movement - don't worry about wires getting in the way. Universal ControlTalk Play, pause or repeat music, adjust the volume, receive or end calls at the simple touch of a button. With the Universal ControlTalk feature, everything is at your fingertips so you can enjoy your music at home, on your commute or at the gym.