[Bluetooth 5.4 RCA Receiver] Experience superior audio with our Hi-Fi Bluetooth transmitter receiver, featuring the latest Bluetooth 5.4+DSP dual-chip decoding, twice the transmission speed, and enhanced compatibility and stability. The RCA Bluetooth adapter provides superior high-resolution audio streaming, low background noise, low distortion, and rich sound, preserving the full dynamic range for the highest quality listening experience. [2-in-1 Bluetooth Transmitter and Receiver] The 2-in-1 design can be used as a Bluetooth transmitter and a Bluetooth receiver, perfect for your home entertainment system. In transmitter mode (TX), the Bluetooth adapter plugs into an audio source such as a TV/PC/MP3/MP4 player and transmits audio to Bluetooth headphones/speakers. In receiver mode (RX), the Bluetooth audio adapter can receive audio from a phone/tablet and play music on a wired speaker/stereo. [Portable Bluetooth Adapter] This Bluetooth receiver and transmitter is smaller and more portable. Working range up to 33 feet. Supported devices: Home stereo, speakers, headphones, earbuds, audio music streaming sound system, car stereo, TV, computer, projector, MP3, MP4, etc. Colour:Black Material:Plastic Package Contents: 1 * Host 1 * USB C Cable 1 * Audio Cable 1 * RCA Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.