Features & details ➤【Transmitter + Receiver】2-IN-1 DESIGN, Powered by the premium CSR8670 chipset, Giveet BTI-038 could be switched easily between the transmitter (TX) mode and the receiver (RX) mode. You can pair the transmitter with your Bluetooth headphones and watch TV shows late at night. Or you can use it as a Bluetooth receiver, and enjoy CD-quality music wirelessly from your phone to your traditional electronics like home speakers, wired headphones.➤【No Lip Sync Delay】 Built-in aptX Low Latency codec (aptX LL) offers only slight delay about 40 milliseconds for smooth audio transmission. You can comfortably enjoy high clarity stereo sound while watching TV, Movie, Video, or focus on your lag-free online game playing without wires dangling when using hands free earphone. Specially, it also supports aptX LL under receiver mode (RX). ★ Note: Low latency is effective only when pairing with aptX LL supported Bluetooth devices.➤【OPTICAL, 3.5mm AUX & RCA】 Giveet BTI-038 provides up to 3 types of audio connections: 3.5mm aux, white/red RCA (via the included 3.5mm to RCA cable adapter), TOSLINK. More flexibility for you to connect your devices via different cables. Please note that this transmitter/receiver doesn’t function as an audio converter; the digital optical port is only for audio input purpose, and can only be used in the transmitter (TX) mode.