TRANSMITTER & RECIEVER DUAL MODE: Compact and portable to use as either transmitter or receiverpowered by the latest Bluetooth 4.1 and pair with 2 headphones(TX mode) or speakers(RX mode) at once.</br>DIGITAL OPTICAL AND AUDIO: Including Toslink digital optical audio that will get maximum flexibility with support for both 3.5mmyou can connect up to 4 different devices.</br>SYNC SEAMLESSLY: AptX low latency technology eliminate Bluetooth audio delay while watching TV/movies.Share and enjoy high quality audio and reduced audio delay latency of 30-40 milliseconds.</br>STREAM WIRELESSLY: Packed the latest Bluetooth 4.1 technology and dual connector features. Support charging and streaming at the same time automatically re-pair with existing paired devices.</br>LONG BATTERY TIMEWireless adapter is fully charged within 2 hours and provides up to 15 hours of AUX playtime or 12 hours of SPDIF play. Wirelessly listen to audio while the adapter is charging.</br></br>Product Description</br></br><b>Dual Connect Mode</b><br> Bluetooth Transmitter and Receiver with lastest Bluetooth 4.1 support TOSLINK digital optical audio cable input(SPDIF IN) and output(SPDIF OUT)??<br> so your TV with optical sound output can feed the adapter?? and your audio system can also become wireless with anoptical connection.<br> <br> <b>AptX Low Latency Technology</b><br> With aptX supportive headphones and speakers?? the bluetooth adapter (in transmitter mode) can further reduce the latency to only 40 milliseconds??<br> making your TV movies and videos a pleasure to watch.<br> <br> <b>Easy Setup and Enjoy</b><br> The Bluetooth Transmitter and Receiver Adapter with the latest Bluetooth 4.1 technology for wireless audio streaming with the latest Bluetooth devices.<br> Enjoy up to 15 hours of continuous audio play without having to recharge adapter. Share the fun of a late night movie entertainment with a friend<br> or loved one by pairing simultaneou