This product converts 3.5mm stereo to dual 6.35mm (1/4) mono, red is the right channel, white is the left channel.This model does not distinguish between forward and reverse transmission. The 2-port interface can be used as output or input. The specific functions can be converted according to different devices.Product use: Used for interface conversion of mixers, headphones, power amplifiers, active speakers, live sound cards and other equipment.Use : Connect the mobile phone to the audio, connect the 3.5mm interface audio cable of the mobile phone to this adapter cable, and connect the 6.35mm interface to the input interface of the mixer or active speaker.The mixer is connected to monitor headphones, and the 6.35mm interface is connected to the left and right channel output interfaces of the mixer, and the 3.5mm interface is connected to the earphone.product material:The shell is made of aluminum alloyPlugs are gold-platedWire conductor is oxygen-free copper conductor with aluminum foil and copper wire shieldingCotton woven protective netting on the outsideMaterial: aluminum woven net+gold platingColor: as shownPackage Contents:1 x 3.5mm to Dual 6.35 Audio Splitter CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.