[Make Sure you get right product] this is TRS (Tip/Ring/Sleeve) 3 pin Aux Stereo connector for carrying 'stereo' (left, right) audio signals, do not compatible with TR and TRRS connector. [Robust Braided cable] withstand 15000+ Bending and swing test makes this 6.35mm to 3.5mm audio adapter cable durable for long time use. [Pure copper wire core, 24k gold-plated connector] minimize audio signal loss, the extra shielding layer effectively resist external interference, ensure optimum sound quality. [Universal Standard size 1/4 inch and 1/8 inch Audio connector] fit All 3.5mm and 6.35mm Aux-in devices, like headphone jack, speaker Aux-in port, smartphone and computer Audio input and output. [Two-way intercommunication between 3.5mm and 6.35mm Aux port]3.5mm male jack to 1/4 inch male Aux plug for intercommunication between standard 3.5mm AUX port devices like smartphones, tablets, iPod or headphones and 6.35mm stereo port devices like Piano, Guitar, Speaker, Amlifier, Mixer etc. For example Connect your iPad, Ipods to a mixing console, home theater devices, and amplifiers.