1Mii B03Pro+ Bluetooth 5.3 Transmitter and Receiver with LDAC for TV, home stereo, and headphones. Use it as a receiver to stream music from a phone, tablet, or computer to your existing stereo, or as a transmitter to send TV audio to Bluetooth headphones or speakers. Supports LDAC high resolution audio (up to 24 bit/96kHz, when the paired device also supports LDAC), aptX HD, aptX Low Latency, aptX, and SBC in transmit mode, and adds AAC in receive mode. aptX Low Latency helps keep TV sound in sync with the picture. Bypass mode lets you stream to wireless headphones and a wired soundbar at the same time. Dual Link supports two devices. Built in LCD screen shows the mode, connected device, and audio format for easy pairing, with volume control buttons. Optical, RCA, and 3.5mm AUX inputs and outputs. Operating range of about 65 ft indoors and 115 ft outdoors. USB-C powered (DC 5V). Compact 4.33 x 3.27 x 0.99 inches, 103 g.Condition Notes: This is an Open Box unit that was opened for inspection but shows no signs of use or damage. All original components are included except the optical cable, which is missing. All other accessories are present.This item was opened and inspected prior to listing to confirm it functions properly and all parts are included.