Ugreen Bluetooth Adapter Car Aux makes it easy to connect most smartphones to non-Bluetooth car stereo systems and home stereo systems.5.0 Bluetooth Adapter: Bluetooth 5.0 significantly increases the transmission speed of audio data and extends the effective transmission range up to 10m.Great sound quality: Isolation module in the USB connector and powerful copper wire effectively prevent electromagnetic interference, so you can enjoy the clean Bluetooth stereo sound. Multifunctional: Thanks to the built-in microphone, the Ugreen Bluetooth adapter supports hands-free calling and voice navigation while driving, and it also allows simultaneous connection of two Bluetooth-enabled devices with car audio system.Exquisite design: The spiral cable of the Ugreen Bluetooth adapter is made of tangle-free and wear-resistant TPE material, making it incredibly durable.