JGD PRODUCTS 3.5mm Stereo Male To 6.35mm Stereo Female Adapter Converter (Pack of 1)

One side 3.5mm Stereo Male Pin, Other side 6.35mm Female socket
This 3.5mm to 6.35mm stereo adapters allow a regular 3.5mm (1/8 inch) stereo port to just accept a stereo cable with a 6.35mm (1/4 inch) plug.
It’s widely used to glue your headphones, smartphones, tablets, iPod, MP3, computer or any device with same old 3.5mm 1/8 socket to so much sound system-like amplifiers, home theater device, AV receivers, guitar, mixer cords, PA and so on
Stereo Cable Adapter Jack Plug, Every other Technique to Expand Your Speakers to Headphones. Mini-Cable Adapter Female 1/4″ (6.3mm) to Male 1/8″ (3.5mm) plug.
Passive Adapter, No Power Required, Simply Plug & Play. Carrying Signal for Both Audio Channels, Compact, Lightweight, More straightforward for Storage