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Compact black polycarbonate car adapter with four USB ports and coloured LED lighting

Nulaxy BC91 Bluetooth 5.3 Car Adapter 54W 4-Port

SKU CH-R5K6-9G3Z0 MPN BC91

Bluetooth 5.3 FM transmitter with 54W four-port fast charging, hands-free calls and deep bass

  • 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
  • Hands-free calls with built-in microphone for safer driving
  • Bluetooth 5.3 gives faster, stable audio streaming
  • 54W total output across four ports charges multiple devices
  • Five-colour LED backlight aids night-time operation
  • Deep bass boost enhances music playback quality

Bluetooth 5.3 car adapter with 54W charging

The Nulaxy BC91 plugs into a 12 V socket and adds Bluetooth 5.3 audio streaming, hands-free calls and four USB ports to any vehicle. It targets drivers who want wireless music, clear conversations and fast charging for multiple devices without replacing the factory stereo.

Sustained 54W output across four ports

PD 36W and QC 18W circuits share the 54W budget so phones, tablets and accessories charge together without throttling. Bluetooth 5.3 maintains a stable link during long trips, while CVC noise cancellation keeps voice quality steady even when the cabin gets loud.

Replaces single-port chargers

The jump is worth it when you need simultaneous charging for several gadgets, prefer Bluetooth 5.3 over Bluetooth 5.0 for faster pairing, or want one-touch bass and five-colour LED lighting for easier night operation. Not for vehicles whose 12 V socket sits in a deep recess that blocks the 24 mm plug.

Highlights

  • Hands-free calls with built-in microphone for safer driving
  • Bluetooth 5.3 gives faster, stable audio streaming
  • 54W total output across four ports charges multiple devices
  • Five-colour LED backlight aids night-time operation
  • Deep bass boost enhances music playback quality

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

Does the BC91 run hot or draw much power when all four ports are charging devices at 54W?

The adapter delivers up to 54W total through PD 36W and QC 18W ports while plugged into a 12 V socket; it is designed for continuous in-car use without overheating.

What must my car already have for the BC91 to work?

A standard 12 V accessory socket with a 24 mm diameter and 57 mm depth; the spring-clip plug fits most vehicles but not deeply recessed sockets.

Will the BC91 pair reliably with a phone that only supports Bluetooth 5.0?

Yes — Bluetooth 5.3 is backward compatible, so a Bluetooth 5.0 phone will connect for calls and audio streaming without extra setup.

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