Life Blue Tube AirTM Radiation Free Headset Earbud 2.5mm
Includes: Custom molded lightweight earpiece, Tube clip, State-of-the-art sound chamber with enhanced SPL technology, Tangle-free expansion cord, Fully adjustable and rotates 360 degrees to fit either left or right ear,  Does not fit Smart Phones, like Iphones or Androids.  You need the 3.5 mm plug for that.   If you order the wrong size jack we will not pay for shipping back.  Please inquire about your headset before ordering to figure out jack size and we will gladly help you figure out the right size. for 3.5 you need this headset http://www.amazon.com/gp/product/B003QHXXNA  ( earhook ) or this headset http://www.amazon.com/gp/product/B0070TLB4S  ( earbud )