Mpow Cheetah Sport Bluetooth 4.1 Wireless Headphones Stereo Sport Running Gym Exercise Headsets Earphones-Retail Packaging-Black MPOW Brand Certified: Top-Brand Bluetooth Accessories for Smartphones Cheetah's Stylish Behind-Ear Streamline Outlook Design Guarantee 100% Stable and Comfortable User Wearing Experience for Running,Jogging,Biking,Driving,Fishing,Camping,Hiking and other Outdoor Sports. The Most Advanced Bluetooth 4.1 Chips Hardware Configuration Ensure Hi-Fi CD Quality Stereo Music Sound and Strong Signal. Leading apt-X Tech Can Provide No-lag Voice when Listening to Music or Calling with Mic. Simple To Use: Portable Function Control Buttons Are Designed for Easily Operation. Just Press it untill Blue and Red LED Light Alternatively Flashing, find and connect with your phones,then you can enjoy music or calling wirelessly. If need reconnect automatically, please turn on bluetooth of your phone first, then turn on the Cheetah, It can reconnect automatically. Also need an armband? Save 20% on our highly-rated Mpow Running Sporty Sweatproof Armband [Please search ASIN:B00YS8H6R0 to find it] when you purchase this Bluetooth Headphones. Add both to cart, and enter the code RVM8P7EE at checkout!