Ergonomic In-Ear Design for Secure Comfort:Shaped to fit the contours of the ear and paired with soft silicone tips

Nylon braid gold plated copper shell

and stable transmission

Bi Directional: 2 RCA or 6

5mm plugs are connected to two separate audio play devices

2RCA Male to 2RCA Male Stereo Audio Cable Size:20 Feet Ergonomic In-Ear Design for SecurePerfect Connector: Connecting 2RCA male to 2RCA male; Perfect ideal for Home Entertainment and HiFi system such as stereo receiver, speaker, amplifier and other RCA enabled devices Excellent Sound: Dual Shielding, corrosion resistant gold plated connecters making the sound signal transmits with minimal signal loss Input and Output: Input can be high frequency (digital audio) or low frequency (subwoofer), 2 RCA Output (connect to either L or R input)