How to Add Bluetooth to Stereos with Aux In Port

The AUX-IN port on your stereo is the secret to a Bluetooth Upgrade.  CoolStream Duo will modernize your older stereo system to a Bluetooth stereo in minutes.  A built-in rechargeable battery and an AUX jack for audio out will have you streaming music from Spotify, Pandora, Apple Music, or Amazon music in minutes.  Let the Duo transform your older great-sounding stereo into a Bluetooth Enabled great-sounding stereo for $24.99.Continue reading: How to Add Bluetooth to Stereos with Aux In Port