Minijack Headset adapter Hun - High Quality (Sort)
Cellet Slim Apple iPhone 3.5mm Pin to 3.5mm Input Mini-Jack Adapter - Walmart.com
I cannot get my 2 jack headset microphone to work using a splitter. | Tom's Guide Forum
Minijack Headset adapter Han - High Quality (Hvid)
For Cisco RJ Plug Headset Adapter Converter to 3.5mm Plug Apple iPhone Ipad iPod Stereo Headset Headphones Cisco Brand Telephone 79XX ONLY - Walmart.com
Delock Products 65344 Delock Headset Adapter 1 x 3.5 mm 4 pin Stereo jack male > 2 x 3.5 mm 3 pin Stereo jack female (OMTP)
StarTech 3.5mm TRRS to Dual TRS Headset Splitter Cable
Poly headset adapter - 40845-01 - -
Headset Splitter 4 Pin to 2x 3 Position - Audio Cables and Adapters | Sweden
3.5mm to RJ9 Adapter Convertor Cable PC Computer Headset Telephone for Phone Adapter Smartphone - Walmart.com
Køb Delock Standard Minijack Headset adapter - 12 cm på Av-Cables.dk
StarTech.com White Slim Mini Jack Headphone Splitter Cable 3.5 to 2x 3.5mm - MUY1MFFADPW - -
QVS - Headset splitter - stereo mini jack female to stereo mini jack male - 6 in - Walmart.com
Best headphone adapters (according to Reddit)
3.5mm TO 2.5mm HEADSET TTY ADAPTER FOR SAMSUNG GALAXY S4 I9500 738470132388 | eBay
4-pin minijack male to 2x 4 pol female minijack adapter
Sandberg MiniJack Office Headset Saver (325-41)
3.5mm to RJ9 Adapter | HeadsetBuddy
Headset adapter with headphone/mic plugs - Audio Cables and Adapters
StarTech.com Headset Adapter, Microphone and Headphone Splitter - 3.5mm Male Aux to 3.5mm Female Audio & Mic Combo Ja... | Dell Canada
3.5mm Jack to 3.5 jack 6 Way Multi female Port Hub Aux Headphone jack Splitter Audio Cable Adapter Converter Earphone Accessory|Plug & Connectors| - AliExpress
