1x 3.5mm Female Stereo to 2.5mm Male Mono Headphones Aux Adapter Converter Cable | eBay
Monoprice 3.5mm TS Mono Plug to 3.5mm TRS Stereo Jack Adapter, Gold Plated - Walmart.com
3.5mm Mono Plug to 2x3.5mm Stereo Jack Adapter
3.5mm Stereo Jack to 3.5mm Mono Plug Adapter
Amazon.com: Goupchn 3.5mm Mono to Stereo Adapters 2 Pack, Copper Nickel Plated, Male to Female, Compatible with Headphones, Ham Radios, Scanners : Everything Else
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2PCS 3.5 Jack Connector Stereo Adapter 3.5mm Audio Mono Channel Plug To Screw
ADA-10105 Audio Adapter 3.5 mm Stereo Plug to Dual 3.5 mm Mono Jack | Kobe Trading Company, Inc.
Amazon.com: RFAdapter 3.5mm Mono to Stereo Adapter, 3 Pack 3.5mm 1/8" Mono Male Plug to 3.5mm 1/8" TRS Stereo Female Jack for Radio, Headphone : Everything Else
Amazon.com: Disino 1/4 Mono to 3.5mm Stereo Adapter, Gold Plated 6.35mm TS Male Plug to 1/8 inch TRS Female Audio Connector - 2 Pack : Electronics