Low Latency: aptX Low Latency for Hi-Fi Stereo, Lag-Free Content Streaming in Transmitter Mode. A Bluetooth receiver that supports low latency is required. Make it two: The upgraded 2" bluetooth transmitter can pair with two bluetooth receivers (like headphones + speakers) at the same time. Note: aptX Low Latency does not support dual link mode. ALWAYS ON: TaoTronics Bluetooth 2" Adapter keeps streaming even while charging. Built-in battery lasts up to 10 hours - always enjoy your favorite wireless content. Ubiquitous Bluetooth: In transmitter mode, turn non-Bluetooth TVs, PCs, CD players, iPods, MP3/MP4 into a Bluetooth transmitter. Receiver Mode: Ideal for home or vehicle music streaming sound systems. Pure Sound: aptX audio codec for a richer, deeper sound experience. Listen to CD-like sound without compromise. Plus, 12+6 months extended warranty and 24/7 friendly customer service.