FM transmitter Maxlife MXFT-03 with 3.1A USB charging output

The Maxlife MXFT-03 Bluetooth FM transmitter enables wireless streaming of music and hands-free calls through a car radio. It connects to Bluetooth-equipped devices, supports playback from USB drives and TF cards, and accepts MP3 and WMA file formats. The unit includes a built-in microphone for safe conversations while driving and provides two USB-A ports for charging devices with a combined 3.1A output.

Advantages

The transmitter uses Bluetooth 5.0 for a stable wireless connection and supports common audio formats (MP3, WMA). It offers two USB-A ports with a total charging output of 5V/3.1A, allowing simultaneous charging of two devices. Integrated microphone enables hands-free calling, and the TF card slot plus USB playback allow flexible music sources.

Suitable for

• Cars without built-in Bluetooth radio
• Drivers who need hands-free calling
• Listening to music from USB drives or TF cards
• Charging smartphones or tablets while driving

Key specifications

• Bluetooth version: 5.0
• Supported audio formats: MP3, WMA
• FM transmission frequency range: 87.5–108 MHz
• Input voltage: 12–24 V
• Output: 5V / 3.1A (two USB-A ports)
• Built-in microphone: yes

How to use

Plug the Maxlife MXFT-03 into the vehicle’s 12V socket. Set your car radio to an unused FM frequency within 87.5–108 MHz, then pair your phone or other Bluetooth device with the transmitter using Bluetooth 5.0. Alternatively, insert a USB drive or TF card with MP3/WMA files into the appropriate slot. Use the car radio to receive the transmitter’s FM signal and control playback from your device or the transmitter controls. For calls, use the built-in microphone and your phone’s call functions to answer or end calls.

Usage recommendations

Choose an FM frequency with minimal interference for best audio quality, keep firmware or device Bluetooth settings updated, and avoid blocking the transmitter’s ports to maintain charging and playback performance.