3.5mm Wireless 4.1 Car USB AUX bluetooth Stereo Audio Music Receiver Adapter Mic

Feature:The bluetooth V4.1 + EDR, furthest distance 10mSupport bluetooth hands-free callsSleep mode, energy savingWork time: can work continuously for 3-5 hoursSpecification:Color: Black/ Gold/ Blue/ RedMaterial: MetalVersion: bluetooth V4.1Product Length: 54mmProduct Diameter: 12mmThe 3.5mm stereo input pinFrequency: 2.4GHzPower: Use the mini USB cableFitment: UniversalPackage Included:1 X bluetooth Receiver1 X USB Cable1 X Instruction Manual