Want to add Bluetooth to your old stereo or speakers? This Bluetooth 4.0 audio receiver module is your perfect solution. It's a 5V template stereo power amplifier modified module that works with pretty much anything - universal compatibility. Unbranded but works great. MPN is literally \Bluetooth 4.0 Audio Receiver\ - simple and straightforward. No UPC or EAN, but it's a legit module for DIY audio projects. Perfect for upgrading car stereos, home audio systems, or building custom Bluetooth speakers. Easy to wire up if you know basic electronics. Way cheaper than buying a whole new Bluetooth system. Bring your old gear into the modern wireless world. Stream music from your phone, tablet, or computer without any cords. So much better than those FM transmitters!