Bluetooth Transmitter Receiver 1. Transmitter (TX) Mode: Transmit audio from non-Bluetooth audio sources such as TV, PC, or CD player to Bluetooth headphones or speakers via a 3.5mm audio cable. 2. Receiver (RX) Mode: Receive audio from Bluetooth-enabled devices such as smartphones or tablets and send it to non-Bluetooth headphones, speakers, or car audio systems via 3.5mm audio cables. Easy to Use This two-in-one Bluetooth adapter combines both transmitter and receiver functions in a compact design with a 3.5mm aux jack. Long press the left and right buttons to switch between modes for simple and convenient operation. Compatible with a wide range of devices. Plug and play with no drivers required. Fast Bluetooth pairing for seamless connectivity. Bluetooth 5.0 Equipped with Bluetooth 5.0 technology, this adapter delivers a strong signal, low latency, and high-quality audio transmission. Ensures stable connection without dropouts, with a maximum range of up to 10 meters in open space. Built-in AEC and ANC noise reduction circuits help deliver clear and pure sound. USB Power Supply Powered via USB port. Can be used with any USB power source such as an AC adapter, car charger, or laptop. Continuous power supply ensures uninterrupted usage without battery concerns.