Car Bluetooth 5.3 FM nsmitter Receiver Handsfree Call Mini USB Wireless Adapter Auto Audio with LED Display For Car FM Radio

Bluetooth 5.3 nsmitter Receiver Wirele Audio For Car Music Headphone Speaker AUX Wirele Audio Adapter 3.5mm For FM Radio Support TF cardSpecification:● Product name: usb bluetooth FM nsmitter● Bluetooth version: V5.3● Working voltage: 5V● Effective probability: within 10 meters● Audio output: FM nsmitter● Default frequency: 95.0MHZ● Signal to noise ratio: ≥95db● Answer the call: support● Automatic return: support● TF card:support● AUX:support● Power supply mode: usb power supply (5V)Usb interface:The usb interface is used for power supply. When using it, you can plug this product into the usb interface with an output voltage of 5V, for example: the car comes with a usb interface (5V), and the car charger interface (5V).Precautions:1. The default frequency band of W3 is 95.0MHZ, which can be used directly. If there is a lot of playbanoise, it can be adjusted to other frequency bands.2. When the radio of some models is turned on, the car's built-in usb interface will be powered off. At this time, if the W3 is plued into the built-in USB port, it cannot be used. In this case, you can plug the W3 into the usb of the arette and car charger. The power supply is used on the interface (the output voltage of usb must be 5V).3. W3 is used in some cars with usb interface, which may be too noisy or unusable. It is recommended to plug FM02 into the arette car charger for use.4. W3 has no automatic shutdown function, it is recommended to unplug it from the usb interface when not in use.5. When the W3 cannot be searched in the Bluetooth settings of the mobile phone or cannot be paired after g searched and clicked, it is recommended that you clear the previously connected Bluetooth devices in the mobile phone, and then restart the mobile phone and try again.