See details:
https://www.amazon.com/dp/B07SRWZ77L/ MillSO 1/4 to 3.5mm Headphones Adapter(1/4 to 1/8),
it's a 6.35mm female jack into a 3.5mm male jack adapter, for connecting smartphones, tablets, iPod, laptop or headphones with standard 3.5mm ports to audio devices with a 6.35mm stereo cable, such as amplifier, guitar, piano, mixing console, home stereo system...
Eg: amplifier to headphones/3.5mm speaker adapter, 6.35mm headphone to computer adapter, piano to 3.5mm adapter, guitar to speaker adapter, etc.
Please notice that the devices you use for should also have a stereo TRS jack (TRS plug has 2 black rings).
Transfer audio, no mic function.
6.35mm female(big) to 3.5mm male(small).
Superior Design
headphones adapter
Sapphire blue Metal Housing is unique color design, wear-resistant, anti-corrosion, solid protection.
1 4 to 3.5mm
24K gold-plated connectors ensure high stability, high-speed lossless transmission.
6.35mm adapters
Tin-plated Oxygen-free Copper Wiring for high fidelity, pure sound quality and the tin plating on the outside will greatly increase the lifetime of wire.
1 8 to 1 4 adapter
Quadr-Layer Shielding:
MillSO 6.35 to 3.5 adapter perfectly combined tinned coppers, aluminum foil, soft and durable PVC covers, it's high-density shielding protection and effective isolation, offer a full and delicate tone, highly restored quality sound.
Plug and Play:
MillSO 1/4 to 3.5mm headphones adapter is very portable and has a quick response, tight connection, flexible convert a 6.35mm port to a 3.5mm port.
audio cable adapter
Compatibility - 6.35mm Female port
6.35 to 3.5 adapter
Compatibility - 3.5mm Male port