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

ESTONE

ESTONE BC71 Car HD Radio 18W PD QC3.0 36W Max

SKU CH-SB5C-HFJ53 MPN BC71

Bluetooth V5.0 FM transmitter with 18 W PD and QC3.0 ports plus 36 W total output

  • FM usable sensitivity11.2 dBf
  • FM frequency response87.5 MHz-108.0 MHz
  • AM sensitivity21 uV
  • 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 up to 36 W via dual USB ports
  • Real-time car battery voltage shown on dual display
  • Lossless audio playback from TF card
  • Colourful LED backlight for cabin ambience
  • Hands-free voice assistant activation with one button

Car HD Radio Kit

The ESTONE BC71 is a car HD radio kit that integrates an FM transmitter with dual USB charging ports. It fits factory stereo installations and includes a TF card slot for local media playback. The unit shows real-time battery voltage on a dual digital display.

USB-C PD and QC3.0 Charging

This kit suits drivers who want fast charging from both USB-C PD 18W and USB-A QC3.0 18W ports simultaneously. It is not for buyers who need more than two charging ports or who require a dedicated auxiliary input jack. The maximum combined output reaches 36W.

FM Sensitivity 11.2 dBf

The usable FM sensitivity of 11.2 dBf determines how cleanly the transmitter locks onto clear frequencies between 87.5 MHz and 108.0 MHz. Weak-signal areas may experience more static or dropouts. Buyers in fringe reception zones should test the frequency range before committing.

How it compares

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

Price $17.99
Cheaper than about 80% of the 127 comparable items (median $27.99).

Specifications

Product
Brand nameESTONE
Model nameBC71
Product typeHD Radio Kits for Factory Stereo
Audio & video
FM frequency response87.5 MHz-108.0 MHz
More details
FM usable sensitivity11.2 dBf
AM sensitivity21 uV
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

What is the maximum combined charging output when both USB ports are used?

The dual USB ports provide up to 36W maximum power, with 18W PD on USB-C and 18W QC 3.0 on USB-A.

Does the transmitter display the vehicle battery voltage while operating?

Yes, a dual digital tube shows real-time battery voltage during use.

Which audio file formats are supported for playback from a TF card?

The unit plays WAV, FLAC and other lossless formats from a TF card.

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