T25S Car FM Transmitter Bluetooth Handsfree MP3 Player Quick Charge 3.0 USB Charger Wireless FM Modulator
Feature:
-The built-in microphone can provide you with a safer, more flexible and convenient hands-free call experience.
-The blue LED display can intelligently display the FM frequency and monitor the car voltage in real time.
-Dual USB ports, QC3.0 fast charging.
-Pair with all Bluetooth-enabled devices.
-Intelligent voice navigation, allowing you to easily enjoy driving pleasure.

Specification:
USB port: QC 3.0, 5V/1A
FM frequency: 87.5MHz-108.0MHz
Bluetooth effective range: 5 meters
Supported TF card capacity: up to 32GB
Supported music format: MP3, WMA, WAV, FLAC, APE 
Display: LED display
Packing size: 8.5 * 6 * 5.5cm/3.35*2.36*2.17"
Package weight: 50g

How to use:
1. When using, first find an empty radio frequency and then tune the frequency of the FM transmitter and let it and car FM radio on the same frequency.
2. If there is a lot of static or noise, please change to another stable channel.
3. Support MP3, WMA, WAV, FLAC, APE files on TF card or U disk. If there is no U disk or TF, please try to use Bluetooth or FM frequency.

Notice:
-Do not use it in direct sunlight or humid environment.
-If you do not use it, please turn off the car engine or disconnect the FM transmitter.
-QC 3.0 is not for Samsung S9.

Note:
1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.