Wireless 4-in-1 Bluetooth 5.1 Transmitter Receiver AUX USB Coaxial Audio Adapter. - Basic function: Bluetooth receiver(RX)/ Bluetooth transmitter(TX). It can be used in cars and also works with computers, TVs, older version speakers, etc.
eBay
Bluetooth version: 5.3. Bluetooth delay: <200 ms. Transmission distance: 10m max. (no blocking). Sensitivity: 94 dB. THD+N: <0.05%. SNR: >94 dB. Output level (receiving): 740mVrms.
eBay
Essager EB01 Bluetooth 5.0 Aux Adapter Wireless Car Receiver - USB to 3.5mm & Built In Microphone. In addition, the built-in isolating module filters static noise providing crystal clear audio via Bluetooth.
eBay
J33 Bluetooth-compatible Receiver Car Stereo Amplifier Headphone AUX Dedicated Wireless Audio Converter Adapter. The AUX interface is widely compatible with plug and play, and can be used on audio devices with AUX input interfaces.
eBay
• Bluetooth 5.0 + EDR and NFC quick pairing technology enabled;. • NFC technology. The TECEVO Bluetooth Car Kit is designed to provide a simple hands-free solution for answering and receiving phone calls while on the go.
eBay
This Bluetooth Receiver enables wireless listening to any Bluetooth enabled device. It works by being plugged into USB and AUX port, and being paired with the music player, phone, tablet or other device via the Bluetooth connection.
eBay
No need to download the app. Turn on Bluetooth on your phone/pad, pair and play. It is backward compatible with Bluetooth 5.1/5.0/4.2/4.0/3.0/2.0. The Bluetooth receiver in RX mode lets you connect your smartphone to wired speakers or earphones wirelessly via Bluetooth.
eBay
Supports all with AUX input of the car stereo! - Easy and simple to upgrade your car stereo Bt hands-free wireless audio! - Play your smartphone and other devices with Bt products to music on, you can make your way through the wireless from your car.
eBay