UGREEN 45812 Bluetooth 5.4 Transmitter & Receiver 2-in-1

The UGREEN 45812 is a 2-in-1 Bluetooth 5.4 audio adapter that can operate as either a transmitter or receiver. In TX mode, it can add Bluetooth audio transmission to compatible devices such as TVs and airplane entertainment systems with a 3.5 mm audio connection. In RX mode, it can add Bluetooth reception to compatible car audio systems, speakers and other 3.5 mm audio equipment.

Bluetooth 5.4 provides the wireless connection, while dual pairing allows two devices to be connected simultaneously in either TX or RX mode. The built-in battery provides up to 16 hours of use in transmitter mode and up to 18 hours in receiver mode.

Key Features

• 2-in-1 TX & RX Modes: Switch between Bluetooth audio transmission and reception for different audio setups.
• Bluetooth 5.4: Uses Bluetooth 5.4 wireless technology for compatible audio connections.
• Dual Pairing: Supports connection to two devices simultaneously in both transmitter and receiver modes.
• Long Battery Life: Provides up to 16 hours in TX mode and up to 18 hours in RX mode.
• 3.5 mm Audio Interface: Designed for compatible TVs, airplane entertainment systems, car stereos, headphones, speakers and other 3.5 mm audio equipment.
• Portable Audio Adapter: Suitable for adding Bluetooth capability to compatible non-Bluetooth audio equipment.

Technical Specifications

Compatibility & Important Information

In TX mode, the adapter is designed to transmit audio from compatible non-Bluetooth devices such as TVs and airplane entertainment systems to Bluetooth audio devices. In RX mode, it can receive Bluetooth audio for compatible car stereos, speakers and other equipment with a 3.5 mm audio connection.

UGREEN states that this model does not support AirPods Pro 2, AirPods 4 or AirPods 4 ANC, and it is not compatible with musical instruments.