Amazon Basics 3.5mm to 2-Male RCA Adapter Audio Stereo Cable – 4 Feet
From the manufacturer
The adapter cable easily connects smartphones, tablets, MP3 players, and other devices to a speaker, stereo receiver, or other RCA-enabled device.
The male RCA connectors fit devices with left/right audio input, while the 3.5mm Male connector works with devices equipped with a 3.5mm aux jack.
The cable features a corrosion-resistant gold-plated 3.5mm connector, high-quality polished metal connectors, and a flexible PVC protective jacket.
The cable connectors provides a beveled step-down design that creates a fully plugged-in, secure connection, even for smartphones or other devices.