How to connect this device to car sound system ?

You can stream the music of your device through FM signal to car stereo if your car has a FM radio, or you can choose to use the 3.5mm audio cable to transmit music through bluetooth/micro SD card/U disk only if your car has aux in port.

What is the kind of usb it is compatible with? what kind of partition type is recognized by the device? what is the max size of the usb recognized ?

Both USB flash disk and SD card need FAT32 format to be recognized, and the maximum support is 32GB. Guanda’s Bluetooth car adapter can accept 4 different audio inputs: Bluetooth; U Disk (≤32G); AUX Port for both input and output; or TF Card (≤32G). The Bluetooth wireless car radio adapter is compatible with Samsung, LG, Sony, iPhone (including X, XS, 11 Pro Max), Android, iPod, and more.

Is there on / off button or function ? or do i need to unplug it every time not in use?

Yes, Long press MFB button for 3 seconds and you can power off this device. You don't need to unplug it every time not in use.

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GUANDA TECHNOLOGIES CO., LTD. Bluetooth FM Transmitter&Adapter- car,4-in-1 Car MP3 Player with 1.8in Color Display, AUX Input/Output,3 Port USB, S Handsfree Call, SD/TF Card, USB Disk,QC3.0,5 EQ Modes

Product ID: 253483474

Details

Brand
GUANDA CO.
Connectivity technology
Bluetooth USB
Material
Plastic
Power source
Battery
Special features
Bluetooth FM

📺1.8in color LCD display

🔊4-in-1 audio modes

🔋Dual USB fast charging

€ 56.06

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Elevate your drive with smart sound & power on the go!

CUSTOMIZABLE HI FI EQ MODES - Switch between 5 premium sound profiles to match your mood and music style.
VIBRANT 1 8 INCH COLOR DISPLAY - Clear, colorful interface with music spectrum and car voltage info at a glance.
SEAMLESS 4 IN 1 AUDIO CONNECTIVITY - Bluetooth, USB, AUX, and TF card support for ultimate versatility.
DUAL USB PORTS WITH QC 3 0 FAST CHARGE - Charge two devices simultaneously with intelligent safety protections.
CRYSTAL CLEAR HANDS FREE CALLS NAVIGATION - CVC noise suppression and echo cancellation for safer, distraction-free driving.

The GUANDA Bluetooth FM Transmitter & Adapter is a cutting-edge 4-in-1 car audio solution featuring Bluetooth, USB, AUX, and TF card playback. It boasts a vibrant 1.8-inch color LCD for easy control and info display, dual USB ports with QC3.0 fast charging, and advanced noise-cancelling hands-free calling. Compatible with all major smartphones and vehicles (12V-24V), it delivers premium Hi-Fi sound with 5 EQ modes, making every drive safer and more enjoyable.

Specifications

ASIN	B07QTJZ1ST
Additional Features	Bluetooth FM Transmitter, Bu, Fast Charging
AntennaDescription	Absent
Audio Input	Bluetooth, USB, AUX, TF/SD card
Audio Output Mode	Stereo
Audio Output Type	internal
Best Sellers Rank	#59,880 in Electronics ( See Top 100 in Electronics ) #72 in Car Audio FM Transmitters
Bluetooth support?	Yes
Brand	GUANDA TECHNOLOGIES CO., LTD.
Color	Black
Compatibility Options	Smartphone, Radio, MP3 Player
Compatible Devices	Samsung, LG, Sony, iPhone (including X, XS, 11/12 Pro Max), Android, iPad
Compatible with Vehicle Type	Car
Connectivity Technology	Bluetooth, USB, AUX, SD/TF card
Connector Type Used on Cable	USB Type A
Control Method	Touch
Control Type	Touch
Controller Type	Touch Control
Customer Reviews	4.3 4.3 out of 5 stars (5,575)
Data Link Protocol	Bluetooth
Display Type	LCD
Enclosure Material	Plastic
Hardware Interface	Bluetooth, USB
Human Interface Input	Buttons
Includes Remote	No
Installation Type	plug_and_play
Item Dimensions L x W x H	10L x 8.5W x 4.5H centimeters
Item Weight	50 Grams
Manufacturer	GUANDA TECHNOLOGIES CO., LTD.
Model Name	RM100
Number of Channels	1
Number of Ports	2
Outer Material	Plastic
Power Source	Battery Powered
Rechargeable Battery Included	No
Screen Size	1.8 Inches
Supported Application	Spotify, YouTube, MP3, AAC, among others
Supported Media Type	Micro SD Card, USB Flash Drive
Supported Standards	Bluetooth v4.2 + EDR
Unit Count	1 Count
Voltage	24 Volts (DC)
Wireless Compability	Bluetooth

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€ 56.06

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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