... headband 3. Clear Mids an Highs 4.Super stereo effect Stereo Bluetooth Headphone , 2012 New ! Super stereo effect , Adjustable padded headband Excellent sound quality ... you to make Skype calls easily. Technical Specifications 1,Version:Bluetooth V2.12,Wireless Frequency Range:2.4GHz3,Transmission Distance:10m4 ... 180 hours7,Color:black,yellow,red,blue 2012 New Style Stereo Bluetooth Headphone