"Description 1.Wireless Bluetooth receiver transmitter easily adds Bluetooth function to your TV/PC, creates wireless connection and transmit audio between your PC/TV and Bluetooth speakers/headsets/car/amp. Enjoy wireless music freely in perfectly synced high-fidelity auditory feast. 2.Low Delay: AptX Low Latency for High-fidelity Stereo Sound, lag-free content streaming in transmitter mode. 3. Transmitter + Receiver 2-in-1: One portable adapter to use as either transmitter or receiver, powered by the latest Bluetooth 5.0, can pair with two headphones / speakers at once. 4.Bluetooth everwhere: In Transmitter mode, turn a non-Bluetooth TV, PC, CD player, iPod, MP3 / MP4 into Bluetooth transmitter. Receiver mode: Ideal for home or vehicle music streaming sound system. 5.Plug and play, no driver is needed. Easy to pair and auto-reconnects to the last 2 paired devices. Note: It supports stereo sound, NOT support Dolby and DTS Surround sound. Bluetooth 2-in-1 Adapter continuously streams even while charging. Built-in battery for up to 4-5 hours use - enjoy your favorite wireless content all the time."