Brand: Avantree. MPN: BTTC-500P-GRY. AVANTREE DUAL BLUETOOTH TRANSCEIVER Feature rich Bluetooth transceiver with long range, apt X-HD, Dual Link, No Lip Sync Delay, Optical, Bypass and Bluetooth Works Simultaneously Experience the wireless freedom to walk anywhere in the house! Proven range of 90m in testing with compatible headphones, and 100m using two Oasis Plus units as a Transmitter / Receiver pair in open air line-of-sight conditions. Note that operating range can be affected by multiple factors. SUPPORTS APTX HD Standard CD quality is 16bit. Using apt X-HD, wirelessly stream 24bit music quality for a 'better-than-CD' listening experience. Works with any apt X-HD Bluetooth device (e.g. headphones, speakers) to stream audio in high definition, allowing you to pick up on all the details and nuances in your favorite music. Both transmitter and receiver modes support apt X-HD. PASS-THROUGH SUPPORT Even if your TV only has ONE optical port, connect the Oasis between your TV and soundbar - then play audio from your soundbar AND stream to your headphones SIMULTANEOUSLY. This is a UNIQUE product feature! It even supports independent device volume control. Easily choose between Bluetooth mode (wireless) and Bypass mode (wired) with the flip of a switch, without the need to plug/unplug any wires. EASY TO USE The Oasis Plus supports full-featured voice guidance and status / codec indicators, making it incredibly easy to set up and use. Re-connects quickly to last device. Supports digital OPTICAL / AUX / RCA audio output standards making it compatible with 99% of the TVs on the market. On board volume adjust function can be used for many devices which do not have their own volume controls (e.g. Airpods). FEATURESTRANSMITTER & RECEIVER & BYPASS 3-IN-1 Use the Avantree Oasis as a Bluetooth TRANSMITTER to Bluetooth-enable your TV, AV Receiver, Radio and other home audio source devices to stream music to your Bluetooth headph.