USAMS US-SJ464 Wireless Bluetooth Adapter Receiver Car Aux Audio Receiver Gold-Plated 3.5mm Connector Bluetooth 5.0 transmission,better compatibility,stability and response speed The 3.5mm plug can be connected to non-Bluetooth car and audio equipment through the AUX interface to make it have Bluetooth function Compared with the FM Bluetooth transmitter,the signal transmission through the AUX port connection is more stable,faster,and simpler With a 1.5-meter spring cable,which is more convenient for storage and use (the unstretched length of the spring is 38cm) Support hands-free calls,release your hands to make driving safer. Built-in high-definition noise reduction microphone,incoming calls are clear and no echo Barrier-free linear 5 meters transmission USB direct power supply,no need to worry about insufficient power and battery life The gold-plated 3.5mm plug is not afraid of oxidation and improves the sound quality Memory connection,after the first connection,the next time it is turned on,it can automatically pair and connect Specification: : USAMS Model: US-SJ464 Material: Aluminum alloy + ABS Output interface: 3.5mm Bluetooth version: 5.0 Transmission distance: 5 meters without barriers Line length: unstretched 38cm,stretched 150cm Package included: 1 x USAMS Wireless Bluetooth Adapter Receiver 1 x English and Chinese User Manual Other items not included