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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

  • Typecar
  • FeaturesBuilt-In Microphone, Hands-Free Calls, Low Latency
  • Weight10 grams
  • Labor1 Year
  • Parts1 Year
  • Adjustable Subsonic FilterBuilt-In Microphone, Hands-Free Calls, Low Latency
  • 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.

Highlights

  • 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

Specifications

BrandScosche
ModelLUSB351F-20B
Typecar
FeaturesBuilt-In Microphone, Hands-Free Calls, Low Latency
Weight10 grams
Labor1 Year
Parts1 Year
Adjustable Subsonic FilterBuilt-In Microphone, Hands-Free Calls, Low Latency
Cable3.5mm Female-to-USB Male
CompatibilityHeadphone, Speaker, Headphones, Speakers, Smartphone
CurrentModern, 5 volts_of_direct_current
Cut Out Diameter20 cm
Frequency Blockednot_applicable
Hardware Includedfalse
Head Unit SizeSingle DIN
Inner Hole Diameter for Wire20 cm
Number of Links to Amplifier2
Screen SizeModern
Test DescriptionBuilt-In Microphone, Hands-Free Calls, Low Latency
Vehicle Manufacturer CompatibilitySmartphone
Voltage5 volts_of_direct_current
Sports Team1 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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