Bluetooth audio transmitter/receiver UGREEN TRN-BLE/5.0

UGREEN TRN-BLE/5.0 is a compact Bluetooth audio transmitter and receiver that enables wireless audio connectivity for wired devices. Supporting Bluetooth 5.0, the device offers a stable connection with reduced latency and can switch between transmit (TX) and receive (RX) modes. It connects to audio sources and sinks via common analog and digital interfaces to add wireless streaming and hands-free functionality to TVs, headphones, car stereos and portable speakers.

Advantages

The device combines transmitter and receiver functions in one small unit, reducing the need for separate adapters. Bluetooth 5.0 provides improved range and connection stability compared with earlier versions, while low-latency streaming helps keep audio and video in sync. A simple mode switch and standard audio interfaces make installation straightforward on a variety of devices. Its compact form factor allows discreet placement near audio equipment.

Suitable for

• Adding wireless audio output to TVs for connection to Bluetooth headphones or speakers
• Receiving audio from a smartphone to play through a non-Bluetooth speaker or car stereo
• Using with wired headphones as a Bluetooth receiver when paired with a phone
• Connecting portable media players or laptops to Bluetooth speakers

Key specifications

• Bluetooth version: 5.0 for improved range and stability
• Operating modes: Transmit (TX) and Receive (RX)
• Audio interfaces: standard analog and common digital audio connections (compatible with typical headphone outputs and line-in ports)
• Latency: low-latency streaming suitable for audio–video synchronization
• Form factor: compact, lightweight adapter designed for discreet placement

How to use

Switch the unit to the required mode (TX to send audio from a wired source to Bluetooth headphones/speakers, RX to receive audio from a Bluetooth source and play through wired speakers/headphones). Connect the appropriate audio cable between the UGREEN adapter and the device's audio port. Put the adapter into pairing mode and pair it with the Bluetooth device following the device's pairing procedure. After successful pairing, play audio from the source; adjust volume and device settings as needed. When finished, power off or disconnect the adapter.

Usage recommendations

Place the adapter close to the connected audio device and avoid physical obstructions between paired devices for best connection stability. Use the transmit mode for TVs when connecting to wireless headphones to reduce delay and enable comfortable listening. For car installations, mount the adapter where it will not interfere with vehicle controls and ensure secure cable routing.