Adapter, 3.5mm stereo jack to 3.5mm mono plug - Williams AV
Amazon.com: UGREEN 1/8 to 1/4 Stereo Cable 3.5mm TRS to 6.35mm Audio Cable Guitar to Aux Male Cord with Zinc Alloy Housing and Nylon Braid for Guitar, Laptop, Home Theater Devices, Speaker
1 Pcs High Quality 4 Poles Jack 3.5 RCA Connector RCA Audio Plug 3.5mm Stereo Headset Dual Track Headphone Plug With Wire Clip _ - AliExpress Mobile