The KM30 Car FM Transmitter is not working, or display is not showing.

1) Ensure the device is properly connected to the cigarette lighter port, and the cigarette lighter is not significantly rusted. 2) Unplug the device and try connecting it again. 3) Check if the cigarette lighter port is receiving power normally.

The Bluetooth transmitter is not compatible with my car, or compatible size range for car cigarette lighter interfaces.

1) Compatible car cigarette lighter socket dimensions: Diameter without spring clip: 20mm, with spring clip: 24mm, deepth: 65-70mm. 2) Screen Plain Surface dimensions: Width: 41mm, length: 85mm, thickness: 14-16mm (With rotary button: 24mm).

Noise is present, but there is no sound.

1) Confirm that the player is activated and not in pause mode. 2) Check and adjust the volume settings on the car radio, FM transmitter, and the connected external device as needed. 3) Try switching channels to see if it works properly.

1 ) Ensure the USB device is properly connected to the player. Or try using another USB device. 2) Confirm the files on the USB device are supported by the KM30. 3) You're welcome to contact our professional 24/7 service team for any questions.

The car audio is not receiving sound.

1) Ensure the FM transmitter is turned on. 2) Verify the frequency of the FM transmitter matches the frequency of the car's radio. 3) Ensure the volume is not set to 0.

Km30 | Desertcart Macau

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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MOP$362

Duties & taxes included

In stock

Sold byAmazon MacauDelivered 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 Macau.

Secure transaction

Description

🚗 Tune In, Charge Fast, Drive Smart — Your Car’s New Best Friend!

CUSTOM SOUND VIBES - Seamlessly switch between treble and bass modes for a personalized in-car concert experience.
HANDS FREE MASTERY - Stronger built-in mic with noise cancellation ensures every call is crisp and distraction-free.
POWER UP IN A FLASH - QC3.0 fast charging delivers up to 4x speed, keeping you and your passengers juiced on the go.
CRYSTAL CLEAR VISUALS - 1.8-inch color display keeps you informed at a glance—track info, calls, and more.
UNIVERSAL PLUG PLAY - Fits most car cigarette lighter sockets with easy dashboard mounting—no tech headaches.

The Nulaxy KM30 Bluetooth Car Adapter transforms your vehicle into a smart audio hub with a vivid 1.8" color screen, superior hands-free calling via a noise-cancelling mic, and lightning-fast QC3.0 charging. Stream music effortlessly through Bluetooth, AUX, USB, or microSD, while customizing your sound with treble and bass modes. Designed for easy installation in most cars, it’s the ultimate upgrade for connected, safe, and stylish driving.

Specifications

ASIN	B08D3S85FW
Additional Features	Big Display Screen, Built-In Microphone, Fast Charging, Hands-Free Calls, Noise Cancellation
Audio Input	Bluetooth
Audio Output Mode	Stereo
Audio Output Type	bluetooth
Best Sellers Rank	#17 in MP3 Player FM Transmitters
Brand	Nulaxy
Color	Black
Compatibility Options	Compatible
Compatible Devices	Car Stereo System
Compatible with Vehicle Type	Most Vehicles with Radio and Power Outlet
Connectivity Technology	Bluetooth
Connector Type Used on Cable	Auxiliary, USB Type C
Control Method	Voice
Control Type	home_automation
Controller Type	HomeKit
Customer Reviews	4.4 out of 5 stars 19,230 Reviews
Display Type	LED
Enclosure Material	Acrylonitrile Butadiene Styrene (ABS), Metal
Hardware Interface	Bluetooth
Human Interface Input	Touchscreen
Installation Type	Plug In
Item Weight	0.09 kg
Lithium-Battery Voltage	12 volts_of_direct_current
Manufacturer	Nulaxy
Material	Acrylonitrile Butadiene Styrene (ABS) , Metal
Model Name	KM30
Mounting Type	Dashboard Mount
Number of Batteries	1 Nonstandard Battery batteries required.
Number of Channels	1
Number of Ports	1
Power Source	Battery Powered
Screen Size	1.8 inches
Special Feature	Big Display Screen, Built-In Microphone, Fast Charging, Hands-Free Calls, Noise Cancellation
Supported Application	Bluetooth, USB, microSD card
Supported Media Type	TF Card
Supported Standards	Bluetooth
Unit Count	1 Count
Warranty Description	1 Year Manufacturer
Wireless Compability	Bluetooth

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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MOP$362

Duties & taxes included

In stock

Sold byAmazon MacauDelivered 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 Macau.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Meera L.

Smooth transaction and product arrived in perfect condition.