Ideal use for electric and acoustic guitars, mixing boards, amplifiers, bass, ukuleles, speakers, dynamic microphones, keyboards, pianos, pedal effector, electronic organs or drums, decoders, equalizers, and other musical instruments with interface of 6.35mm diameter. Widely used in the field of smart-home devices, speaker system, professional stage & live audio and so on. 6.35 Male to 6.35 male aux cord works perfectly for all devices with standard 6.35mm aux jack and aux-in port. Nickle-Plated Connectors for resist corrosion and offer a clear, smooth-flowing optimal signal, ensures minimum signal loss transfer. Please note that this product comes with a worry-free 12-months warranty. We always strive to offer the best customer service and please don't hesitate to reach out if there is anything we can help you with.