Belkin's 3.5mm audio + USB-C charging adapter. I purchased this but haven't had a chance to use it, so I'm putting it up for sale. This is a 2-in-1 type that allows you to use wired earphones/headphones while simultaneously charging via USB-C. USB-C charging supports up to 60W, and can be used not only with smartphones but also with tablets and laptops. It's a convenient accessory for those who want to charge while listening to music or making calls. Retail price: 3,485 yen (tax included) Specifications: ・Brand: Belkin ・Model: NPA004btBK ・Connection: USB-C → 3.5mm audio + USB-C ・Compatibility: 3.5mm earphones/headphones ・Maximum power supply: USB-C up to 60W