Opteka BTX-3 Wireless Bluetooth 4.0 Sport Jogging Foldable Headphones with Built-in Mic & 6 Hour Battery (Black) Wireless Bluetooth 4.0 Stereo Headphones with a range 32.8' (10 m) Pairs with your iPhone, iPad, iPod or Android Smartphone or Tablet, MP3 player, Laptop or any other Bluetooth-enabled device Built-in rechargeable battery which lasts up to 6-hours Integrated controls easily take and make calls, choose next and previous tracks, and raise or lower the volume while on the go Lightweight (2 oz) and compact foldable design for maximum portability