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Compact black car FM transmitter with dual USB ports and seven-color LED backlighting

LUOM

LUOM BC71 Car HD Radio Bluetooth 5.0 18W PD QC3.0 36W 64GB TF 7 LED

SKU CH-37XR-NHRTX MPN BC71

An FM transmitter adds Bluetooth 5.0 audio streaming, hands-free calls, and 64 GB TF card playback to a factory stereo while fast-charging two devices at up to 36 W via PD and QC3.0 ports.

  • FM frequency response87.5 MHz-108.0 MHz
  • AM stereo separationBluetooth V5.0; Support dual display digital tube, real-time
  • Product typeHD Radio Kits for Factory Stereo
  • Highlights*PD 18 W+QC3.0 Fast Car Charging: PD18 W and QC3.0 port (5 V
  • Fast charging with dual 18 W USB ports up to 36 W total
  • Bluetooth 5.0 link for stable streaming and clear hands-free calls
  • Real-time battery voltage shown on dual digital display
  • Seven-colour LED backlight adds cabin ambience
  • Lossless audio from TF cards up to 64 GB

Product Purpose

The LUOM BC71 is a car HD radio kit that adds Bluetooth 5.0 audio streaming and hands-free calling to a factory stereo. It targets drivers who want wireless music playback and safer phone use without replacing the original head unit.

FM Transmission Limits

Audio is broadcast on the 87.5 MHz to 108.0 MHz FM band, so clarity depends on local station congestion and signal strength. The dual digital display shows real-time battery voltage, giving a quick view of the vehicle electrical system while driving.

Upgrade Context

This adapter replaces basic chargers or aux cables that lack fast charging or lossless playback. The jump is worthwhile when you need simultaneous 18 W PD and 18 W QC3.0 charging, TF card support up to 64 GB for WAV and FLAC files, and seven-colour LED backlighting in one device.

How it compares

Measured against everything we stock in HD Radio Tuners & FM Transmitters, at today’s prices. Recalculated every night.

Price $16.99
Cheaper than about 85% of the 127 comparable items (median $27.99).

Specifications

Product
Brand nameLUOM
Model nameBC71
Product typeHD Radio Kits for Factory Stereo
Audio & video
FM frequency response87.5 MHz-108.0 MHz
More details
AM stereo separationBluetooth V5.0;
Support dual display digital tube, real-time detection and display of battery voltage;
USB A QC 18 W and USB Type-C PD 18 W output ports;
Colorful LED backlights;
Support waking up the mobile phone voice assistant via button;
Stereo FM transmission technology;
Support TF card playback, support WAV/FLAC and other lossless music;
Support music, volume, and frequency power-off memory function;
Support Bluetooth automatic re-pairing;
Bluetooth supports A2DP, AVRCP, HFP, HSP;
Support private answering and switching;
Bluetooth stereo music DSP technology;
Support turning on/o

Questions about this item

Should I choose the USB-A QC 18W port or the USB-C PD 18W port for my phone?

Use the USB-C PD 18W port for phones that support Power Delivery and the USB-A QC 18W port for Quick Charge 3.0 devices; both deliver up to 18W simultaneously for a combined 36W maximum.

What does the 36W total power rating mean when both ports are used at once?

The adapter can fast-charge two phones at the same time, supplying up to 18W from each port without reducing speed on either output.

How does Bluetooth 5.0 affect call clarity and music streaming in this transmitter?

Bluetooth 5.0 gives a faster, more stable link for A2DP music streaming and the built-in CVC microphone, so hands-free calls stay clear even with road noise.

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