Kimetsu no Yaiba Petanko Musume Trading Rubber Strap - Kanao Tsuyuri. It comes with an earphone jack, so you can attach it to your smartphone. ★ Brand new, unused, and unopened. ★ This item has been carefully stored. ★ If you purchase this item together with other items I have listed, I will discount each item by 100 yen. Please comment before purchasing. ★ Please refrain from purchasing if you are nervous about home storage. ★ Please be sure to read the profile before purchasing.