... *35mmVarious colorsblack,white,red,green,yellow,silvery,blueWireless FeaturesBluetooth versionBluetooth V2.1+EDRFrequency range2.402-2.480GHzConnection distance10-20mSupport agreementsHSP,HFP,A2DPMatching ... echo suppression CVCAccessories5V 1A car charger adapter,a USBcable,a multifunction iron clampMEAS360*310*170mm,30PCS/box,about 7kgProduct Photo: hho bluetooth car kit