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Two black 3.5mm male to USB female adapter cables 20cm long

BUCIER

BUCIER USB to 3.5mm Aux Audio Adapter 2-Pack 20cm

SKU CH-3YEC-SJKN7

Two-pack of 20 cm cables that let a USB flash drive play MP3 files through a car or speaker 3.5 mm AUX port with built-in decoding

  • Cable length20
  • First connectorUSB Type A
  • Connector finishMatte
  • Units per package1
  • Product colorBlack
  • DetailsEanetf
  • Plays music from USB flash drives through car AUX
  • Requires car stereo with built-in MP3 decoding capability
  • Plug-and-play design needs no external power supply
  • Two adapters included for spare or second vehicle
  • Compact 20 cm cable keeps dashboard tidy

What this adapter does

The BUCIER USB-to-3.5 mm aux adapter lets you plug a USB flash drive into a car stereo or speaker that has a 3.5 mm auxiliary input with built-in MP3 decoding. Each 20 cm cable carries the audio signal from the drive straight to the aux port so music plays without an extra power supply. The pack contains two identical black cables for a spare or a second vehicle.

Who this suits and who it does not

This works only when the 3.5 mm aux socket itself can read MP3 files from a USB stick — typical GPS, CD or DVD head units with that decoding function. Ordinary car aux inputs that expect an analogue source will not play any sound, so buyers without a decoding-enabled port should look for a Bluetooth or FM transmitter instead.

Deciding specification

The critical detail is the 3.5 mm male plug connecting to a USB 2.0 Type-A female socket on a 20 cm cable. If your head unit’s aux jack lacks MP3 decoding, this adapter cannot function regardless of cable quality.

How it compares

Measured against everything we stock in Audio Jack & RCA Adapters, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 55% of the 1,324 comparable items (median $16.99).

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Specifications

Product
Brand nameEanetf
Product colorBlack
Ports & slots
First connectorUSB Type A
Size & build
Cable length20
Connector finishMatte
Product dimensions10.0 in × 6.0 in × 1.0 in
Product weight0.018 kg
In the box
Units per package1

Questions about this item

Will the 3.5 mm male plug wear out from daily insertion into the car AUX port?

The plug is a standard 3.5 mm stereo male connector with matte plating; normal automotive use does not require scheduled replacement.

What stops the adapter from working continuously on long drives?

The adapter has no power supply or active electronics; it only passes MP3 data from a USB flash drive to a head unit that must provide its own MP3 decoding.

Does the 20 cm cable get warm or add noise when the U-disk plays all day?

The passive cable carries only digital data and ground, so it generates no audible noise and no measurable heat during continuous playback.

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