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Compact black polycarbonate car adapter with four USB ports and colorful lighting

Nulaxy BC91 54W Bluetooth 5.3 Car Adapter FM Transmitter 4-Port Fast Charging Car Electronics Accessory

SKU CH-WJ20-GW7NN MPN BC91

Bluetooth 5.3 FM transmitter with 54W four-port fast charging, hands-free calls, bass boost and colour lighting for 12 V sockets

  • TypeBC91
  • FeaturesHands-Free Calls, Built-In Microphone, 54W High Power Fast C
  • Weight0.068 kilograms
  • Labor1 Year
  • Parts1 Year
  • Adjustable Subsonic FilterHands-Free Calls, Built-In Microphone, 54W High Power Fast C
  • Bluetooth 5.3 gives faster pairing and steadier audio streams
  • 54 W total output across four ports charges multiple devices at once
  • Built-in microphone enables clear hands-free calls while driving
  • One-touch bass boost and five-colour lighting improve night-time usability
  • Raised tactile buttons and voice-command support allow eyes-free control

54W 4-Port Car Adapter

The Nulaxy BC91 is a Bluetooth 5.3 FM transmitter that plugs into a 12 volt accessory socket. It delivers 54 watts of total charging power across four ports using PD 36W and QC 18W standards. A built-in microphone enables hands-free calls while the unit streams audio to the car radio via FM. Colorful lighting effects and a bass boost button complete the feature set for daily drivers.

Suits Multi-Device Charging

This adapter suits drivers who need to charge several phones or tablets simultaneously on long trips. The Bluetooth 5.3 link provides stable music streaming and clear voice calls without pairing hassles. Buyers whose vehicle sockets sit in deep recesses should look elsewhere because the 24 millimetre diameter plug with 57 millimetre depth cannot reach those recessed outlets. Vehicles without a standard accessory socket cannot use this device.

54W PD Plus QC Charging

The single specification that decides fit is the combined 54 watt output split between Power Delivery 36W and Quick Charge 18W across four ports. If your devices require higher wattage per port or a different fast-charge protocol, this adapter will not meet that need.

Highlights

  • Bluetooth 5.3 gives faster pairing and steadier audio streams
  • 54 W total output across four ports charges multiple devices at once
  • Built-in microphone enables clear hands-free calls while driving
  • One-touch bass boost and five-colour lighting improve night-time usability
  • Raised tactile buttons and voice-command support allow eyes-free control

Specifications

BrandNulaxy
ModelBC91
TypeBC91
FeaturesHands-Free Calls, Built-In Microphone, 54W High Power Fast Charging, Colorful Lighting Effects, Deep Bass
Weight0.068 kilograms
Labor1 Year
Parts1 Year
Adjustable Subsonic FilterHands-Free Calls, Built-In Microphone, 54W High Power Fast Charging, Colorful Lighting Effects
CableFemale-to-Male
ChannelsStereo
CurrentModern, 12 volts_of_direct_current
Cut Out DiameterSmall
Drilling RequiredPlug in Car Socket
Frequency Blockednot_applicable
Frequency ResponseColorful Lighting Effects
Hardware Includedfalse
Head Unit Size5.4102 cm x 6.7056 cm x 10.5918 cm
Inner Hole Diameter for WireSmall
InputsMicrophone
MaterialPolycarbonate (PC)
Max Recommended Power HandlingBluetooth devices, USB devices including USB Type C
Number of Links to Amplifier4
OutputsSpeaker
PowerBattery Powered
RangeBluetooth 5.3, usb_c, bluetooth
Screen SizeModern
SNRColorful Lighting Effects
Test DescriptionHands-Free Calls, Built-In Microphone, 54W High Power Fast Charging, Colorful Lighting Effects, Keep the adapter away from water or moisture. Do not use it in wet conditions, as this can cause electrical shorts or damage.
THDStereo
Voltage12 volts_of_direct_current

Questions about this item

What does Bluetooth 5.3 do for connection speed and stability?

Bluetooth 5.3 improves connection speed and data transmission efficiency, giving rapid, stable links for calls and music playback.

What are the plug dimensions and depth for the 12 V socket?

The plug measures 24 mm diameter with a spring clip and 57 mm depth, fitting most sockets except recessed ones.

How do I install it and what step prevents socket damage?

Plug into the 12 V socket, pair via Bluetooth 5.3, tune the FM frequency, then hold the socket while pulling the adapter out to avoid damage.

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