FM transmitter Navitel BHF04 MAX Bluetooth car adapter with wireless music streaming and hands-free calling

NAVITEL BT Hands Free FM Transmitter BHF04 MAX lets you play music from your smartphone, USB drive or microSD card and handle calls through your vehicle's speakers. The device supports Bluetooth 5.1 connection, fast charging and multiple audio formats for convenient in-car playback and hands-free communication.

Advantages

The transmitter combines Bluetooth hands-free functionality with an FM transmitter and a Fast Charge USB port, allowing simultaneous music playback and device charging. It supports common fast-charging protocols (QC3.0, QC2.0, Huawei FCP, Samsung AFP, Apple 2.4, PD). Built-in controls let you manage calls and music directly from the unit. Media can be played from microSD cards or USB storage, and common audio formats including MP3, WMA, WAV and FLAC are supported.

Key specifications

• Bluetooth version: 5.1
• Working voltage: 12V / 24V
• Supported fast charge protocols: QC3.0, QC2.0, Huawei FCP, Samsung AFP, Apple 2.4, PD
• Media playback: microSD cards 16–256 GB (tested), USB storage 16–256 GB (tested)
• Supported audio formats: MP3, WMA, WAV, FLAC
• Bluetooth transmission distance: up to 5 m with obstacles, up to 10 m in line of sight

How to use

Plug the NAVITEL BHF04 MAX into the car cigarette lighter socket (12V or 24V). Pair your smartphone with the device via Bluetooth 5.1 and set your car radio to the same FM frequency as the transmitter. To play local media, insert a microSD card or USB drive containing audio files in supported formats. Use the built-in buttons to answer or end calls, control playback and adjust basic settings. To charge a device, connect it to the Fast Charge USB port with a compatible cable.

Recommendations

For best audio quality, choose an unused FM frequency on your car radio and place the transmitter where it does not obstruct vehicle controls. Use tested microSD/USB drives (16–256 GB) and compatible charging cables to ensure reliable playback and fast charging.