Purchased on Amazon and used a few times. Details are as follows: Amazon selling price: 1980 yen BUFFALO conversion connector with headphone jack and USB-C port, approximately 10cm cable length. - Brand: BUFFALO - Type: Conversion connector - Ports: Headphone jack, USB-C - Cable length: Approximately 10cm Buffalo Audio Conversion Adapter USB Type C to 3.5mm PD Charging 100W Hi-Res DAC Equipped High Durability iPhone 16 Compatible White BSMPCPD355WH [For smartphones and PCs without an earphone jack] This is an audio adapter that converts USB Type-C to 3.5mm mini-plug & Type-C. You can use earphones and headsets even on smartphones and PCs that do not have an earphone jack. Calls with earphones and headsets with microphones are also possible. [Can be used while charging] The Type-C port supports USB Power Delivery. It can supply a maximum of 100W of power, so you can use earphones and headsets while charging your smartphone or PC. [Supports Hi-Res] Equipped with a DAC chip that supports audio sources up to 24bit/96kHz. You can also enjoy high-quality Hi-Res audio sources. [Highly durable specification resistant to disconnection] Adopts a highly durable cable that has passed 15,000 bending durability tests. Reduces the risk of disconnection. [Compatible devices] ■USB Type-C side: Smartphones, tablets, PCs ■3.5mm mini-plug side: 3-pole and 4-pole stereo mini-plug earphones, headphones, and headsets Thank you for viewing.