?What's in the box?1 x 3.5mm male to 6.35mm female stereo adapter cable. Worry-free 24 months warranty and lifetime technical support as well as friendly customer service. If you have any question, please feel free to contact us. ?Plug and Play?The 1/4 to 1/8 headphone adapter don’t need any additional driver or software. Small and portable design is suitable for music users on the go. ?Superior Sound Quality?1/4 to 3.5mm adapter adopts high-quality enameled copper wire , soft and durable TPE covers, the double shielding can reduce irrelevant noise as much as possible and ensure the stable signal reception. ?Incredibly Durable?EMK 6.35 to 3.5 adapter feature a high quality nylon braided jacket makes it easier for routing, placing, and installing the cable under any circumstances,With a tested 10000+ bend lifespan, double-braided nylon audio cables adding to the durability and tangle free. ?Universal 3.5mm to 6.35mm Adapter?The 1/8"(3.5mm) male to 1/4"(6.35mm) female headphone adapter cable is designed for transferring audio between 3.5mm devices and 6.35mm devices. You can use the 1/4 inch to 3.5mm adapter for the following scenarios: 1/4 headphone to computer, piano to 3.5mm devices, guitar to speaker etc. [Notice: Please rotate plugs gently, make sure they have put into jack absolutely.