3.5mm stereo jack socket to 6.35mm(1/4") plug with plastic body. 
This Stereo adaptor will allow you to use your 3.5mm headphones or microphone on a device that only has 6.35mm sockets. 
Works with any audio device that uses a 6.35mm jack connection 
Use standard 3.5mm size jack device on 6.35mm connection socket 
ADAPTOR, 3.5MM S TO 6.35MM P .
Connector Type A: 3.5mm Stereo Socket
Connector Type B: 6.35mm Stereo Plug
Use standard 3.5mm size jack device on 6.35mm connection socket
Works with any audio device that uses a 6.5mm jack connection
Light and very easy to use

Package includes:
Plug Adapter 3.5mm to 6.3mm x1