SECURE FIT - Perfect workout headphones that are snug and secure so the headphones stay put while running?? biking or at the gym.</br>HI-FI STEREO SOUND - CVC6.0 noise cancellation tech intelligently filters ambient noise to ensure Hi-Fi Stereo Music Sound and Strong Signal. Let you get high quality and clear voice.</br>POWERFUL BATTERY - Up to 8 hours Music playing on a full battery charge. Super quick charge time of only 2 hours which lasts up to 240 hours of standby time. A 15 minute supercharge gives over 1 hour of playback time.</br>GREAT DESIGN - All buttons wireless earphones is easy to operate. Premium soft silicone gel surface provides confortable wearing in the ear canal and a good feeling in hand with