Upgraded lightweight 2-in-1 Wireless Bluetooth V5.0 transmitter and receiver, can pair with two headphones / speakers at once

AptX Low Latency certified. When (and ONLY WHEN) used with a wireless BT headphone/speaker that also supports aptX Low Latency, it will deliver the ultimate ?no lip sync delay? experience, ensuring perfectly synced visual and audio no matter what you watch

You get maximum flexibility with support for both optical (TOSLINK) digital and 3.5mm (AUX and RCA), both input and output are supported. Hassle-free setup 

Keep your old stereo or wired headphone alive with new BT wireless connection, pair with smart phone or tablet from up to 164 feet away, and enjoy great music cable-free