ROCKTECH Wireless Bluetooth V5.0 Transmitter & Receiver Adapter, 300 Mbps Data Card with Call Support  (Black)

BLUETOOTH TRANSMITTER AND RECEIVER V5.0 : 2-In-1 Design - The bluetooth adapter combines bluetooth audio transmitter and receiver in one with 3.5mm aux jack. Latest Bluetooth V5.0 with A2DP: Wide compatible, easy to pair / reconnect and support apt-X and SBC codes,Updated bluetooth 5.0 brings strong signal transmission ability ,high sound quality less crackling, hissing or sound quality deterioration issues. It makes it different from others. FLEXIBLE CONNECTIONS (OPTICAL + 3.5mm AUX + RCA): Beside 3.5mm Aux/RCA connection, the audio Bluetooth transmitter for TV plus Bluetooth receiver for TV edge ahead by also supporting TOSLINK optical cable input and output so your TV with optical sound output can feed the adapter, and your audio system can also wireless connect with the Bluetooth Adapter for home stereo. INSTANT SOUND WITHOUT DELAY: Enjoy a latency lower than 95% of other devices with aptX Low Latency technology; end-to-end lag time is now 40 milliseconds so high-definition video is transmitted without problems. Note: not suitable for music instruments due to delay. 2 FOR 1 CONNECTION: Two Bluetooth headphones or speakers can pair at once so children can watch in silence and give parents a needed break. Note: aptX Low Latency does NOT support Dual Pair mode.