Bluetooth Aux Adapter Wireless Car Bluetooth Receiver USB to 3.5mm Jack Features: Using Bluetooth 5.0 version, compatibility, stability, and response speed are better than the previous version 3.5mm plug can be connected to non-Bluetooth car and audio equipment such as sound effects through the AUX interface, so that it has Bluetooth function Compared with the FM Bluetooth transmitter, the signal transmission through the AUX port is more stable, faster, and the Bluetooth connection is simpler  Support hands-free calling, release your hands to make driving safer. Built-in high-definition noise reduction microphone, incoming calls are clear and no echo USB is directly powered, no need to worry about insufficient power and battery life Specifications: Bluetooth version：Bluetooth V 5.0 Interface:USB to 3.5mm jack Package Included: 1*Car Aux Adapter