Bluetooth receivers that plug into your car's 3.5mm AUX input. Cassette adapters for older cars with cassette decks, essentially a clever hack that turns the compact cassette deck into an AUX input.

Bluetooth audio receivers, once connected to your sound system, receive a signal from your phone, convert it to analog, and send it through to your speakers or device for you to enjoy.

The Anker Soundsync Bluetooth 5.0 Receiver is a neat little device that is simple and cost-effective. It connects to a 3.5mm aux-in connection and picks up audio from a connected smartphone to the ...

A Bluetooth receiver and transmitter is on sale for $14.99. That's 37% off this gadget's regular price of $23.99. Digital Culture Tech Science Life Social Good Entertainment Deals Shopping Games.

This Two-in-One Bluetooth 5.0 Transmitter and Receiver lets you add Bluetooth connectivity to non-Bluetooth devices, and it’s just $25.99 (Reg. $35). Bring your old technology to the modern age .

This tiny device plugs directly into your vehicle's aux port and picks up Bluetooth from your phone (or other devices), allowing you to transmit music, phone calls and more over your car speakers.

The STR-DH190 sounds as good as any other stereo receiver we’ve tested under $200, and it has the features we consider most important: Bluetooth support, a phono preamp for a turntable, an FM ...