Wireless Car Bluetooth 5.3 Audio Receiver 3.5mm Jack U-Disk Aux Transmitter Handsfree Call USB Power for Radio Mp3 Speaker

Bluetooth 5.3 and Stereo Quality: Bluetooth 5.3 significantly increases the transmission speed and stability of audio playback, on the other hand extends the effective transmission range up to 10m. Insulation module inside and powerful copper wire effectively prevent electromagnetic interference, so you can enjoy clean Bluetooth stereo sound. Hands-free calls in the car: Thanks to the built-in microphone, the Bluetooth adapter supports hands-free calls and voice navigation while driving, so you don't have to separate hands from the steering wheel and have safer driving. Wireless music enjoyment at home: Not only in the car, but also at home, enjoy wireless music by connecting the Bluetooth receiver to your wired speaker. Thus, the connection between mobile phone and speaker has no spatial restriction. Two devices connected at the same time: With the Bluetooth adapter Auto Aux, car radio can connect to a maximum of two smartphones simultaneously via 3.5mm jack one after the other. But how? Turn off Bluetooth when connected and simply search with the new device.