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Compact Bluetooth 5.3 AUX receiver with enlarged rotary knob and LED display

Betrusami

Betrusami Bluetooth 5.3 AUX Receiver — Enlarged Knob & LED Display

SKU CH-DEMR-34YND

Bluetooth 5.3 AUX adapter with an enlarged control knob, LED display and 12-hour battery for car or home stereo

  • TypeAccessories
  • Enlarged mechanical knob gives instant volume and call control with a simple twist
  • High-definition LED display shows battery level and volume at a glance
  • Bluetooth 5.3 chip delivers faster pairing and a more stable connection
  • Dual-device pairing lets two sources stay connected for calls and music
  • 12-hour battery life keeps the adapter running through long journeys

Enlarged Knob & LED Display

This Bluetooth 5.3 receiver adds wireless audio to any 3.5 mm AUX input in a car, home stereo or headphones. The enlarged mechanical knob lets you adjust volume, answer or reject calls and redial with a simple twist. A built-in LED screen shows battery level and volume at a glance. It is aimed at drivers and listeners who want hands-free control without touching a phone.

Bluetooth 5.3 Chip & Noise Cancellation

The adapter uses a Bluetooth 5.3 chip for faster pairing and a more stable connection with less audio-quality loss. Noise-cancellation technology reduces background sound during calls. Dual-device pairing keeps two sources connected at once so incoming calls are never missed while music plays from the other device.

12-Hour Battery & Wide Compatibility

The internal battery provides up to 12 hours of continuous use before a recharge via the included Type-C cable. In the box you also receive a 3.5 mm male-to-male connector and a 3.5 mm AUX cord for flexible hookup. Plug the receiver into any AUX port, hold the multi-function button for 3 seconds to power on and pair, then stream audio or take calls hands-free.

Highlights

  • Enlarged mechanical knob gives instant volume and call control with a simple twist
  • High-definition LED display shows battery level and volume at a glance
  • Bluetooth 5.3 chip delivers faster pairing and a more stable connection
  • Dual-device pairing lets two sources stay connected for calls and music
  • 12-hour battery life keeps the adapter running through long journeys

Specifications

TypeAccessories

Questions about this item

What does Bluetooth 5.3 actually change for day-to-day use of this AUX receiver?

Bluetooth 5.3 gives faster pairing, a more stable link and less audio-quality loss compared with older versions, so music and calls stay connected in a moving car.

The box mentions Bluetooth 3 — is that a separate standard or a typo?

The adapter runs on Bluetooth 5.3; the “Bluetooth 3” reference in the spec list is a legacy label and does not limit the 5.3 connection.

Will the enlarged knob and LED screen fit my car’s 3.5 mm AUX port without blocking other controls?

The receiver plugs directly into any 3.5 mm AUX socket; its compact body and Type-C charging port keep the knob and display clear of neighbouring buttons.

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