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Small brown USB-to-3.5mm Bluetooth 5.3 adapter, 10 grams

Scosche LUSB351F-20B Bluetooth 5.3 to Aux Adapter Brown

SKU CH-V39R-FPSAN MPN LUSB351F-20B

A Bluetooth 5.3 receiver adds wireless audio and hands-free calls to any 3.5 mm aux input, powered directly from a USB port

  • Screen sizeModern
  • Labor warranty1 Year
  • Adjustable subsonic filterBuilt-In Microphone, Hands-Free Calls, Low Latency
  • Cable type3.5 mm Female-to-USB Male
  • Electrical ratingModern, 5 V DC
  • Cut out diameter20 cm
  • Bluetooth 5.3 delivers stable, low-latency streaming
  • USB power means no battery recharging required
  • Built-in microphone enables hands-free calls
  • 5 mm female port adds Bluetooth to any aux device
  • Weighs only 10 grams for minimal bulk

Bluetooth 5.3 Aux Adapter for Cars and Amplifiers

This Scosche LUSB351F-20B adapter adds Bluetooth 5.3 connectivity to any device with a 3.5 mm auxiliary input. It draws power from a USB port so no battery charging is required. The built-in microphone enables hands-free calls and voice navigation while driving.

Check Your Aux Port and USB Power Source

Verify that your car stereo, amplifier or speaker has a 3.5 mm female auxiliary jack. Ensure a USB-A port supplying 5 V is available nearby to power the adapter. The cable length is fixed so confirm the USB and aux sockets sit close enough for the connector to reach both.

Plug Into Aux and USB for Wireless Audio

Insert the 3.5 mm plug into the aux input and the USB male end into a power port to activate Bluetooth pairing. The adapter automatically powers on and off with the connected device. It supports simultaneous connection to two phones and streams music to wired speakers or car audio systems without batteries.

How it compares

Measured against everything we stock in Car Audio Accessories & Wiring, at today’s prices. Recalculated every night.

Price $22.99
Typical for this category: the median of 2,768 items is $21.99.

Specifications

Product
Brand nameScosche
Model nameLUSB351F-20B
Product typeCar
Display
Screen sizeModern
Ports & slots
Cable type3.5 mm Female-to-USB Male
Power
Electrical ratingModern, 5 V DC
Rated voltage5 V DC
Size & build
Product weight10 g
Head unit sizeSingle DIN
Compatibility
Compatible withHeadphone, Speaker, Headphones, Speakers, Smartphone
Vehicle manufacturer compatibilitySmartphone
In the box
Included hardwareNo
More details
Adjustable subsonic filterBuilt-In Microphone, Hands-Free Calls, Low Latency
Cut out diameter20 cm
Inner hole diameter for wire20 cm
Number of links to amplifier2
Team affiliation1 Piece

Questions about this item

What does the box contain and is any extra cable needed?

The package includes the Bluetooth 5.3 adapter with a built-in 3.5 mm female port and a USB male plug for power. No additional cable is required if your speaker or car stereo already has a 3.5 mm aux input; an RCA adapter would be needed only for RCA inputs.

How do I choose between the available versions?

This model is a single brown unit (LUSB351F-20B) with Bluetooth 5.3, a built-in microphone and low-latency streaming. There are no alternative capacities or colour options listed for this part number.

What does the Bluetooth 5.3 rating mean for daily use in a car?

Bluetooth 5.3 provides a stable, low-latency link up to roughly 10 metres, so music, voice navigation and hands-free calls stay in sync without drop-outs while the adapter is powered from the vehicle’s USB port.

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