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Compact black car FM transmitter with dual digital displays, colorful LED backlighting, and USB-A plus USB-C charging ports

ESTONE

ESTONE BC71 Car HD Radio Bluetooth 5.0 USB-C PD 18W QC3.0 18W Dual Display

SKU CH-2YFB-47NR6 MPN BC71

Adds Bluetooth 5.0 audio streaming, hands-free calls and 36 W dual-port fast charging to any factory stereo while monitoring battery voltage on twin displays

  • 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
  • Bluetooth 5.0 for stable wireless audio streaming
  • Dual USB ports deliver 36 W combined fast charging
  • Dual digital displays show voltage in real time
  • TF card slot plays WAV and FLAC lossless files
  • One-touch button wakes your phone voice assistant

HD Radio Kit with Fast Charging

The ESTONE BC71 is a car HD radio kit that integrates Bluetooth 5.0 for wireless audio streaming and hands-free calls. It supports TF card playback of WAV and FLAC lossless files. Dual USB ports provide PD 18W and QC3.0 18W outputs for fast charging two devices simultaneously.

For Drivers Adding Connectivity

This unit suits drivers who want to add Bluetooth audio, lossless playback and voltage monitoring to a factory stereo without replacing the head unit. Buyers needing an AM tuner or a dedicated external microphone input should look at other options.

36W Total Charging Power

The combined 36W maximum output across the USB-A QC3.0 and USB-C PD ports determines whether this adapter can fast-charge your specific phone and a passenger device at the same time.

How it compares

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

Price $19.99
Cheaper than about 67% 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 does the FM usable sensitivity of 11.2 dBf mean for reception in my car?

The 11.2 dBf figure indicates the minimum signal strength needed for usable FM reception; lower values generally mean the tuner can pick up weaker stations more clearly.

How does the Bluetooth 5.0 connection affect audio streaming and call quality?

Bluetooth 5.0 provides a stable wireless link for music streaming and hands-free calls with reduced dropouts and lower latency compared to older versions.

What power source and physical space does this unit need to install?

The adapter plugs into a standard vehicle accessory socket and features a compact body with a flexible neck so the dual digital-tube display can be positioned within reach.

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