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Compact Bluetooth 5.3 adapter with LED display and 3.5 mm jack

UGREEN 45492 Bluetooth 5.3 transmitter receiver with aptX low latency

SKU CH-98HD-QK2DM

Bluetooth 5.3 transmitter and receiver adds aptX low latency audio to non-Bluetooth devices with up to 32 hours battery life

  • Channels1
  • ConnectorsAuxiliary
  • Remote Controlfalse
  • FeaturesLow Latency
  • Dimensions & Weight1.3 in x 3.6 in x 6.4 in
  • TX mode adds Bluetooth to non-Bluetooth sources
  • RX mode streams audio to wired speakers
  • aptX Low Latency cuts audio delay in TX mode
  • Up to 32 hours battery in RX mode
  • LED display shows connection status and device name

Dual-mode audio adapter

The UGREEN 45492 works as a Bluetooth 5.3 transmitter or receiver over a 3.5 mm auxiliary connection. In TX mode it adds wireless audio to airplane seats, TVs or other non-Bluetooth sources for headphone listening. In RX mode it upgrades wired speakers or car audio so phones and computers can stream to them wirelessly.

aptX Adaptive limits

aptX Adaptive and aptX HD are supported only while transmitting, so low-latency benefit applies when sending audio to headphones. The adapter uses Bluetooth 5.3 for the wireless link; the supplier also references Bluetooth 6.0 in marketing material, but the core specification remains 5.3. Audio delay is reduced compared with standard SBC, yet the 2.4 GHz band still carries the signal, so congestion can affect stability.

Wired-to-wireless upgrade

This unit replaces a physical auxiliary cable between a source and headphones or between a phone and an amplifier. Battery life reaches 28 hours in TX mode and 32 hours in RX mode, covering long flights or road trips without recharging. The LED display shows connection status and device names to simplify pairing. It is not compatible with AirPods Pro 2, AirPods 4, musical instruments or hearing aids.

Highlights

  • TX mode adds Bluetooth to non-Bluetooth sources
  • RX mode streams audio to wired speakers
  • aptX Low Latency cuts audio delay in TX mode
  • Up to 32 hours battery in RX mode
  • LED display shows connection status and device name

Specifications

BrandUGREEN
Model45492
Part Number45492
Channels1
ConnectorsAuxiliary
Remote Controlfalse
FeaturesLow Latency
Dimensions & Weight1.3 in x 3.6 in x 6.4 in

Questions about this item

Which mode should I choose between transmitter and receiver for my setup?

Use transmitter mode to send audio from a non-Bluetooth source like a plane seat or TV to your headphones; use receiver mode to add Bluetooth to wired speakers or car audio so you can stream from a phone.

What does the 28-hour transmitter battery life mean for a long-haul flight?

In transmitter mode the battery lasts up to 28 hours, covering most intercontinental flights with a single charge; receiver mode extends to 32 hours for even longer use.

How does Bluetooth 5.3 affect the connection compared to older versions?

Bluetooth 5.3 provides a more stable link and lower power draw, while aptX Adaptive and aptX HD are supported only in transmitter mode for higher-quality, low-latency audio.

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