HD Bluetooth 5.0 Transmitter Receiver: Standard CD quality is 16bit. Using -HD, wirelessly stream 24bit music quality for a better-than-CD listening experience. Works with any -HD Bluetooth device (e.g. headphones, speakers) to stream audio in high definition.
CSR8675 advanced high-end chip ensures the device deliver high quality wireless audio performance.
Supports Dual-link No Lip-sync Delay: Simultaneously stream audio to 2 headphones/speakers with virtually no lip-sync delay while watching TV, movies or gaming. Most brands (e.g. , , Boltune headphones) dont support  low latency.
Transmitter (TX) Mode: In the TX mode, the Bluetooth transmitter can be used to stream audio from non-Bluetooth audio sources such as non-Bluetooth TVs or CD players to Bluetooth headphones/speakers. This transmitter is supported to SPDIF connectors and AUX connectors, therefore, please kindly check whether your audio sources have one of these jacks.
Transmitter -> Bluetooth-enable your TV, PC, AV receiver, TV Box etc. Stream audio to any Bluetooth headphones / speakers, e.g. , Beats, , Plantronics, Boltune,   headphones.
Receiver (RX) Mode: In the RX mode, the Bluetooth adapter could be used as a Bluetooth receiver to non-Bluetooth stereos such as wired headsets or wired speakers. Pair the Bluetooth receiver with your cell phone and plug your headsets into the jack on this , then you will be able to hear the music from your phone.
Receiver -> Bluetooth-enable a wired speaker, soundbar, home theater etc. Receive audio wirelessly from any Bluetooth audio device e.g. PC, mobile phone, Echo, Echo Dot, etc.