LOW DELAY: aptX Low Latency for high-fidelity stereo sound with lag-free content streaming in transmitter mode. A low latency supported Bluetooth receiver is required. MAKE IT TWO: Upgraded 2-in-1 Bluetooth transmitter pairs with two Bluetooth receivers, such as headphones and speakers, simultaneously. Note: aptX Low Latency does not support Dual Link mode. EVERYDAY USE: TaoTronics Bluetooth 2-in-1 adapter streams continuously while charging. Built-in battery provides up to 10 hours of use for uninterrupted wireless audio. BLUETOOTH CONNECTIVITY: In transmitter mode, turns non-Bluetooth devices like TV, PC, CD player, iPod, MP3/MP4 players into Bluetooth transmitters. In receiver mode, ideal for home or car audio systems. HIGH-QUALITY AUDIO: Supports aptX audio codec for enhanced sound clarity and depth, delivering CD-like audio quality. Includes extended warranty and 24/7 customer support.