1. suitable for all cell phones within bluetooth 2. smart appearance 3. ... competitive price 4. free position Special Featuressuper qualitysmart appearancesuitable for all cell phones within bluetoothseven colors to choose:black,red ... ,white,red,green,yellow,silvery,blueWireless FeaturesBluetooth versionBluetooth V2.1+EDRFrequency range2.402-2.480GHzConnection distance10-20mSupport agreementsHSP,HFP, ...