手持ちのヘッドホンに合わなかったので手放します。

Insignia™ Lightning to 3.5 mm Headphone Adapter White NS-ML35AW - Best Buy

TCB 1 | 3.5mm TRRS Male to Dual TRS Female Adapter | Movo

Headset Adapter Cable with Stereo Audio Aux Y-Splitter

AVID TRRS to USBC Adapter | Black

4 Pack Airplane Headphone Adapter ,Airline Airplane Flight Adapters for Headphones, Golden Plated 3.5Mm

Adapter for Siemens MRI Scanner Music System Port

Headphone Adapter - ampsandsound

Headset adapter with headphone/mic plugs - Audio Cables and Adapters | StarTech.com

Ios 8 Pin To 3.5Mm Aux Car Audio Adapter Cord 3.5Mm Headphone Jack Adapter Fit White, 1 unit - Foods Co.

8 Pin to 3.5mm Jack Headphone Adapter – Downtown Cellular

Dell Adapter USB-C to 3.5mm Headphone Jack

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Power Up Double Jack Type C Headphone Adapter - 192-63500 | Blain's Farm & Fleet

DUKABEL USB to 3.5mm Jack Audio Adapter, USB to Aux Cable with TRRS 4-Pole Mic-Supported USB to Headphone AUX Adapter Built-in Chip External Sound ...

USB-C Splitter (2-in-1 USB C Headset & Charge Adapter)