Wired to wireless music new experience:Connect speakers, break space limitations, enjoy wireless convenience Stereo amplified playback, more shocking sound effects, Game console connected to Bluetooth headset: wired constraints: enjoy the fun of games without blocking your hands, flexible operation Computer connected to Bluetooth devices:Desktop computer,connected to Bluetooth headset, speakers, desktop computer is no longer "wired", listening to music/games more freely TV becomes wireless to watch dramas without disturbing others:Connect to TV audio interface, transmit sound to headset via Bluetooth, watch dramas late at night without disturbing family TF card storage data analysis is more powerful:Support TF card playback, easy plug and replace, let you switch at will, more flexible experience<br><br>AUX port + TF card playback + Bluetooth reception/transmission:One-touch switch for reception/transmission,Freely switch between receiving (RX) and transmitting (TX) signals, use multiple devices Receive mode (RX):Connect an audio playback device with a speaker to receive Bluetooth signals and wirelessly, Transmit mode (TX):Connect an audio output device, transmit Bluetooth signals and through paired wireless headphones/Bluetooth speakers, In-car connection for comfortable escort:In-car speakers turn into Bluetooth speakers in seconds, automatically reconnect to enjoy mobile music, audiobooks, high-definition voice navigation broadcasts, driving The sound quality is fresh and noise-free:Support high-definition audio decoding, reduce wireless transmission to sound loss and background noise. The sound quality is clear and noise-free, restore the sound details, and enjoy the beautiful music Support Memory Card:No Model Number:T66 High Definition Support:None Content:Audio&Video Wireless Type:bluetooth Interface:3.5mm,TYPE-C Feature: Wireless Audio Adapter Bluetooth Adapter for TV Headphones Wireless Stereo Audio Adapter Bluetooth 5.4 Audio Receiver Transmitter Hifi Stereo Wireless Adapter For Car Airplane TV PC Speaker Colour:As Shown Material:plastic<br><br>Package Contents: 1 x Car Bluetooth Receiver<br><br>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.