Nulaxy KM28 Bluetooth FM Transmitter User Manual

Product Overview

The Nulaxy KM28 Bluetooth FM Transmitter is a multifunctional device designed to provide a seamless connection between your smartphone and your car's audio system. It features a large color screen, dual USB charging ports, hands-free calling, voice control, audio performance enhancements, and colorful LED backlit modes.

Getting Started

1. Insert the Nulaxy KM28 into your car’s cigarette lighter socket.
2. Turn on your car's FM radio and tune it to an unused FM frequency.
3. Adjust the KM28 to the same FM frequency using the big color screen.
4. Activate Bluetooth on your smartphone and pair it with the KM28.
5. Once connected, you can start streaming music or making calls through your car's speakers.

Charging Your Device

1. Plug your USB cable into one of the USB charging ports on the KM28.
2. Connect the other end of the USB cable to your device.
3. If your device supports Quick Charge 3.0, use the QC3.0 port for faster charging.

Using Voice Control

To activate Siri or Google Assistant, press and hold the phone button on the KM28 and then speak your command.

Adjusting Audio Performance

To enhance your audio experience, press the BASS/TRE booster button to switch between bass and treble modes.

Customizing LED Backlit Modes

1. Long press the light button to enter the light change mode.
2. Rotate the knob to select your preferred LED backlit mode.

Troubleshooting Tips

• Poor Audio Quality: Ensure your FM transmitter and car radio are tuned to the same clear frequency. Adjust the position of the KM28 for better signal reception.
• Device Not Charging: Check if the USB cable is properly connected to both the KM28 and your device. Try using a different cable or charging port.
• Unable to Connect via Bluetooth: Confirm that your smartphone's Bluetooth is on and within range. Try unpairing and then re-pairing the device.

Frequently Asked Questions (FAQ)

**Product FAQ: Nulaxy Bluetooth FM Transmitter for Car**

**Q: What are the main features of this Bluetooth FM Transmitter?**
A: The Nulaxy Bluetooth FM Transmitter for Car features a big color screen, air vent clip for better visibility, dual USB ports with QC3.0 fast charging, hands-free calling with Siri and Google Assistant, improved audio performance with BASS/TRE booster, multiple music playing options, and 8 colorful LED backlit modes.

**Q: How does the hands-free calling feature work with Siri and Google Assistant?**
A: The FM transmitter allows you to transfer phone calls and audio wirelessly. You can easily manage calls using the spin button for functions like answering, hanging up, rejecting, or redialing. Additionally, you can use voice commands with Siri or Google Assistant for tasks like making calls, getting directions, or playing music.

**Q: Can I charge multiple devices simultaneously with this transmitter?**
A: Yes, the dual USB ports enable you to charge two devices at the same time. One of the ports supports QC3.0 fast charging technology, allowing you to charge your device up to 4 times faster than standard charging methods.

**Q: How is the audio performance of this Bluetooth transmitter?**
A: The transmitter features a big microphone for effective voice collection and utilizes CVC/DSP noise cancellation technology to reduce background noise during calls. The BASS/TRE booster button offers two modes for adjusting audio settings according to your preferences.

**Q: How do I customize the LED backlit modes?**
A: Long press the light button on the transmitter to enter the light change mode, then use the knob to select from 7 mono color modes or 1 color-changing mode. Choose your preferred mode to personalize the lighting in your car.

**Q: Is this transmitter easy to set up?**
A: Yes, customers have found the setup process to be straightforward. However, some users have reported issues with audio quality during music streaming and recommend considering other options if high-quality music playback is a priority.

For further inquiries or assistance, please refer to the product manual or contact our customer support team.