Durable Design: Premium gold plated joint durable copper shell; Shielded cable with PVC coated copper core; note: only works for switching; shut down one device as needed to avoid frequent plugging and unplugging; cannot output at the same time; cannot be used as a microphoneComposition: Composited of one 3.5 mm female stereo headphone jack and two 3.5 mm male headphone plugsPlug and
Play: Connect 2 separate audio play devices to headphone or speaker turn off 1 device as needed to avoid frequent plugging; Or connect 1 audio play device to 2 headphones or speakers to share your favorite music anytime anywhereExcellent
Sound: Dual shielding corrosion proof gold plated connecters making the sound signal transmits with minimal signal lossWarranty: J&D 1-Year Limited Warranty