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