UGreen 80910 Bluetooth FM Transmitter Car Adaptor

Features:

One  Bluetooth Car Adapter=Cigarette Lighter Car Charger+Wireless Bluetooth+Voltage Detector+TF reader+Car Radio Transmitter
Warmly Tips for Better Using:

About PD&QC fast charging:

Only when your device and charging cable support PD protocol, the USB-C port on this fm transmitter can PD fast charge;
Only the USB port with double Lightning mark support QC 3.0 quick charge, and your device and charging cable should also support QC 3.0, the other USB port only support 1.5A and USB Disk driving.

About 3 Playing Modes:

This car stereo bluetooth adapter support bluetooth, USB Disk and TF card to play your music, but when you use them all at the same time, the bluetooth audio will be priority, then the last inserted USB flash driver or TF card

Bluetooth Hand-free Calls

Answer: press rotary knob once
Hang-up: press rotary knob once while on line
Reject: press and hold rotary knob for about 2 seconds
Redial: shortly press the rotary knob twice to the last number

Music Playing

Volume up: rotate right
Volume down: rotate left
Next Song: press right arrow once
Previous song: press left arrow once
Pause/stop: press rotary knob once shortly