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Small square black plastic Bluetooth adapter with 3.5mm aux port and control buttons

Auto Ventshade J33 Bluetooth 5.3 Car Adapter 16H 3.5mm

SKU CH-P1EC-039YM

Turns any 3.5 mm aux input into a Bluetooth 5.3 receiver with 16-hour battery, built-in mic for hands-free calls and dual-device pairing up to 33 ft

  • Typecar
  • FeaturesBuilt-In Microphone, Fast Charging, Hands-Free Calls, 3.5mm
  • Height1.6 L x 1.6 W x 0.4 H inches
  • Width1.6 L x 1.6 W x 0.4 H inches
  • Length1.6 L x 1.6 W x 0.4 H inches
  • Weight0.5 ounces
  • Bluetooth 5.3 gives a stable link up to 33ft
  • Built-in mic enables hands-free calls with one-touch control
  • Dual pairing lets two devices stay connected at once
  • 16-hour battery life keeps music playing all day
  • Fast charge restores full power in 1.5 hours

What this adapter does

The Auto Ventshade J33 adds Bluetooth 5.3 wireless audio to any device with a 3.5mm aux input. It pairs with smartphones, tablets or laptops and streams music or calls through car stereos, home speakers or wired headphones. A built-in microphone enables hands-free calling with one-button answer, reject and redial. Two devices can stay connected at once so incoming calls do not interrupt playback.

Battery life and charging

The internal lithium-ion cell delivers up to 16 hours of continuous use on a full charge. Fast charging replenishes the battery in roughly 1.5 hours from a 5 V USB source. Bluetooth 5.3 maintains a stable link up to 33 ft without obstacles and automatically reconnects to the last paired device when powered on.

Physical design and connections

The unit measures 1.6 x 1.6 x .4 inches and weighs .5 ounces, making it small enough to leave plugged into a console or headphone jack permanently. A 3.5 mm audio cable and an RCA female-to-female cable are included for flexible hookup. Touch controls on the housing handle volume, playback and call functions without a separate remote.

Highlights

  • Bluetooth 5.3 gives a stable link up to 33ft
  • Built-in mic enables hands-free calls with one-touch control
  • Dual pairing lets two devices stay connected at once
  • 16-hour battery life keeps music playing all day
  • Fast charge restores full power in 1.5 hours

Specifications

BrandAuto Ventshade
ModelJ33
Typecar
FeaturesBuilt-In Microphone, Fast Charging, Hands-Free Calls, 3.5mm aux
Height1.6 L x 1.6 W x 0.4 H inches
Width1.6 L x 1.6 W x 0.4 H inches
Length1.6 L x 1.6 W x 0.4 H inches
Weight0.5 ounces
Labor1 Year
Parts1 Year
Adjustable Subsonic FilterBuilt-In Microphone, Fast Charging, Hands-Free Calls, 3.5mm aux
CableRCA, Female-to-Female
ChannelsStereo
ColorBlack
CompatibilitySmartphone, Headphones, Speakers
CurrentModern, 5 volts_of_direct_current
Cut Out DiameterSmall
Frequency Blockednot_applicable
Hardware Includedfalse, true
Inner Hole Diameter for WireSmall
Inputs3.5mm audio cable
MaterialPlastic
Number of Links to Amplifier1
PowerBattery Powered
Screen SizeModern
Size/Dimensions1.6 in x 1.6 in x 0.4 in
Test DescriptionBuilt-In Microphone, Fast Charging, Hands-Free Calls, 3.5mm aux, Ensure proper usage and handling to avoid interference with other wireless devices. Follow battery precautions for fast charging. Dispose of or recycle batteries responsibly.
Vehicle Manufacturer CompatibilitySpeakers
Voltage5 volts_of_direct_current
Sports Team1 Piece

Questions about this item

Does the Auto Ventshade J33 adapter get warm or drain its battery quickly during a full day of driving?

The built-in lithium-ion cell delivers up to 16 hours of continuous playback and recharges in 1.5 hours, so it stays cool and lasts through long trips without needing a mid-day top-up.

My car stereo only has a 3.5 mm aux input — is that the only connection I need to start streaming?

Yes, the J33 plugs directly into any 3.5 mm aux jack and pairs wirelessly via Bluetooth 5.3; no extra cables, adapters or power leads are required beyond the USB charging cable used between drives.

Will the J33 stay paired with my phone if I also keep a second Bluetooth device connected at the same time?

The adapter supports dual connection, allowing two devices to remain linked simultaneously so incoming calls on either phone come through without manual re-pairing.

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