XX SERIES XTREME BASS HEADSET 40MM DRIVER W/MIC AND REMOTE FOR SMARTPHONE. 1 button mic and remote for iphone / Blackberry / Android with mic and remote. Compatibility with most smart phones. Extreme deep bass ports and 1.57" (40mm) neodymium driver units deliver ultimate bass. Rubber protectors for body durability. Soft padded, headband and ear pads for comfort during extended use. Thick and robust 3.94ft (1.2m) pure copper cord (Y-type.) All black polymer look and feel. Gold plated 3.5mm slim plug.