ER 90010144 FM Transmitter

The ER 90010144 FM Transmitter is a practical in-car audio accessory and charger designed to connect your mobile devices directly to your vehicle stereo system using an FM radio frequency. Featuring Bluetooth 5.3 technology, this FM transmitter delivers a stable and instant connection for streaming music, podcasts, and taking hands-free calls during daily commutes and long journeys. Equipped with a built-in microphone having a range of up to 2 meters, it ensures clear voice communication. The device also includes dual charging ports supporting up to 15.5 W of power, an LED frequency display, customizable RGB backlighting, and support for USB-A flash drives up to 128 GB, making it a comprehensive media and power solution for your car.

Advantages

This FM transmitter utilizes advanced Bluetooth 5.3 to establish a reliable and fast wireless connection with your smartphone or other compatible devices. It features integrated support for popular voice assistants including Siri, Alexa, and Google Assistant, allowing for convenient hands-free operation while driving. Dual charging ports providing up to 15.5 W of output power ensure your devices remain powered up on the road. For additional audio sources, the built-in USB port accommodates flash drives up to 128 GB with native support for MP3 and WAV formats. Safety is prioritized through comprehensive protection mechanisms guarding against short circuits, overheating, and overcharging.

Suitable for

• Streaming music and audio content from smartphones to car stereo systems
• Making hands-free phone calls using the built-in microphone
• Charging mobile devices via USB ports while driving
• Playing audio files directly from USB-A flash drives up to 128 GB
• Interacting with voice assistants such as Siri, Alexa, and Google Assistant

When it may not be suitable

This device may not perform optimally in geographical areas with severe FM radio frequency congestion where finding a clear, unused frequency is difficult. Vehicles equipped with modern factory infotainment systems that already feature built-in smartphone integration and advanced audio streaming capabilities may not benefit significantly from an external FM transmitter.

Key specifications

• Bluetooth 5.3 connectivity
• Maximum charging output of 15.5 W via USB ports
• USB-A flash drive support up to 128 GB
• Audio format support for MP3 and WAV
• Built-in microphone with up to 2 meters range
• LED display for frequency indication
• RGB adjustable and turn-off backlight
• Built-in safety protections against short circuits, overheating, and overcharging

How to use

Plug the ER 90010144 FM Transmitter into your vehicle auxiliary power outlet or cigarette lighter socket. Turn on your car radio and tune it to an unused FM frequency, then match the transmitter to the exact same frequency using the multi-function control button and the clear LED display. Pair your smartphone with the transmitter via Bluetooth settings, or insert a compatible USB-A flash drive loaded with MP3 or WAV audio files into the designated USB port. Adjust the volume on both your car stereo and mobile device to your preferred listening level, and use the multi-function button or voice assistants to manage playback and calls.

What to consider before purchase

• Verify that your vehicle has a functioning power socket compatible with the physical dimensions of the device
• Check if your local FM radio spectrum has available free frequencies for interference-free transmission
• Ensure your media files on flash drives are formatted in supported MP3 or WAV formats and do not exceed 128 GB capacity

Usage recommendations

For the best audio clarity and minimal static interference, always select an empty FM radio frequency that is not actively used by commercial radio stations in your current driving location.