Q: How to use this device?
A: 1.choose an blank frequency in your car 2.insert the device into cigarrete lighter, and choose the same frequency on the device as your cars. 3.open your phone bluetooth,search the device named"BT77D" to connect it 4.now you can enjoy hands-free with it
Q: Why the volume is small?
A: You can adjust volume via your phone,this device and your car.But you'd better not keep the maximum volume in case of nosie.
Please kindly note:
If you have any questions about the parcel or device, please feel free to contact us firstly, we are glad to resolve for you.
Product features:
1. Start the car, the screen will display the car battery voltage for 3 seconds.
2. CVC technology to control noise and storm then to create full-duplex sound quality.
3. When the device is switched on, the phone can automatically connect to Bluetooth in your second time use.
Specifications:
-Bluetooth Version: 5.0
-Frequency Range: 87.5-108.0MHZ
-TF/USB (max capacity): 32GB
-Transmission distance: 3M
-One key to enjoy bass music
Package Included:
1x Bluetooth FM transmitter
1x User Manual
