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: Portable Audio Adapter: Suitable for adding Bluetooth capability to compatible non-Bluetooth audio equipment. Technical Specifications Component Specification UGREEN Model / SKU 45812 Produ Type 2-in-1 Bluetooth Audio Transmitter & Receiver Bluetooth Version Bluetooth 5.4 Operating Modes TX Transmitter / RX Receiver Audio Interface 3.5 mm Dual Pairing 2 devices simultaneously in TX or RX mode Battery Life - TX Mode Up to 16 hours Battery Life - RX Mode Up to 18 hours Working Frequency 2.400 GHz-2.4835 GHz 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. Please to review Q: What does the UGREEN 45812 do? A: It is a 2-in-1 Bluetooth audio adapter that can work as either a transmitter in TX mode or a receiver in RX mode. Q: Which Bluetooth version does it use? A: UGREEN specifies Bluetooth 5.4. Q: What is TX mode used for? A: TX mode transmits audio from a compatible non-Bluetooth source, such as a TV or airplane entertainment system, to Bluetooth audio devices. Q: What is RX mode used for? A: RX mode receives Bluetooth audio and sends it to compatible 3.5 mm audio equipment such as car stereos or speakers. Q: Can it conne to two devices at the same time? A: Yes. UGREEN specifies dual-device pairing in both TX and RX modes. Q: How long does the battery last? A: Battery life is rated at up to 16 hours in TX mode and up to 18 hours in RX mode. Q: Does it work with AirPods Pro 2 or AirPods 4? A: No. UGREEN specifically states that AirPods Pro 2, AirPods 4 and AirPods 4 ANC are not supported. Q: Can it be used with musical instruments? A: No. UGREEN states that this model is not compatible with musical instruments.