Bluetooth 5.0 TransmitterReceiver, Taotronics 2-in-1 Wireless 3.5mm Audio Adapter (aptX Low Latency) LOW DELAY: aptX Low Latency for high-fidelity stereo sound, enabling lag-free content streaming in transmitter mode. A low latency supported Bluetooth receiver is required. MAKE IT TWO: Upgraded 2-in-1 Bluetooth transmitter can be paired 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 continuously streams audio while charging. Built-in battery provides up to 10 hours of use, allowing uninterrupted wireless listening. BLUETOOTH CONNECTIVITY: In transmitter mode, turns non-Bluetooth devices such as TVs, PCs, CD players, iPods, MP3MP4 players into Bluetooth transmitters. In receiver mode, ideal for home or car audio systems. HIGH-QUALITY SOUND: Supports aptX audio codec for enhanced sound clarity and depth, delivering CD-like audio quality. Includes extended warranty and dedicated customer support.