Onkyo ES-BT1(BY) Wireless Bluetooth Headphones in Red, Yellow The ES-BT1s are designed to pair easily with a wide range of media players and computers with Bluetooth capability, and utilize the Version 2.1 + EDR profile for higher fidelity than you might expect from a wireless headphone. Enjoy your favorite tunes through the ES-BT1s as you take a morning run, work out at the gym, or power through your housework. You move, you sweat. Especially when wearing headphones. That's why we encased the ear pads in a special breathable wicking fabric that allows plenty of airflow and keeps your ears cool and dry as you exercise Three large buttons on the headband control functions including play/pause, track skip and search, volume up/down, and call accept/reject/end. A concealed Mic and wide smartphone compatibility let you take or reject phone calls wirelessly at any time A compact and lightweight internal battery delivers about eight hours of music playback or talk time between charges. Connect the headphones to any compatible device via the included Micro USB cable to top the batteries off in just three hours