Color: 2PK 6.35 mm (1/4 inch)Male to 3.5 mm (1/8 inch)Female Stereo Audio Adapter. Product Features Provide optimum signal transmission for guitar amps, stereo system, microphones, headphones and more equipment with 6.35 mm port. Connect your headphones, microphones or other stereo audio devices with 3.5 mm plugs to audio devices with a 6.35 mm stereo jack. 360 degree grip treads help easy plugging and unplugging. Product Specification 6.35 mm (1/4 inch)Male to 3.5 mm (1/8 inch)Female High quality copper with gold plated 1 Year Warranty