New Smart Moderns Super Lightweight Premium Triathlon Sports Bluetooth 4.1 Wireless Earbuds Headphones (Midnight Black) FLEXIBLE AND WELL-FITTED: The latest in-ear adjustable clips will make sure your headset stays on through athletic or intense activity. Additionally, the sweat-proof and built-in volume control features will expand your in and outdoor horizons while continuing active movement and being comfortable. You can now be with your favorite music and radio at all times without limiting activities! CRISP AND EXCEPTIONAL DEFINITION: With built-in bass and state-of-the-art noise-cancellation, you will hear sound like it should really be. Your could feel the full wave of your music like being at your favorite concert. With the leading bluetooth chipset, your experience will be crystal clear without any unnecessary noise. NOISE ISOLATING FOR FOCUS: With the Smart Moderns headset, you will get your tracks and calls with minimum outside noise. Be in the zone while you have this neckband on. Also, with the built-in microphone, there will be no need to change devices when phone call comes in. Perfect for all ages from kids to athletes. UNMATCHED COMPATIBILITY AND DISTANCE: Bluetooth 4.0 will allow you the latest device compatibility with almost all mobile devices including any iPhone 6, iphone 6S, iPhone 5, iphone 5S, Samsung Galaxy S7, Samsung S7 Edge, Samsung Galaxy S6, Samsung Galaxy S6 Edge, HTC, Sony, LG, Nokia, Mortorola and any other Bluetooth-compatible Androids or Windows devices. Up to 10 meters of strong connectivity to your mobile devices. LONG-LASTING DURATION: Up to 8 hours of play-back audio time will allow you to take your music and phone calls on any road trips or outdoor activities.