
Soundcore C40i,

Amazon.com: Soundcore C40i by Anker with Sport X20, Open-Ear Earbuds, Clip-On Headphones, Flexible Joint Design, Button Controls, Lightweight Comfort, ,

楽天市場】Soundcore C40i(Bluetooth 5.4)【オープンイヤー型ワイヤレスイヤホン/イヤーカフ/ IPX4防水規格/ 最大21時間再生 / マルチポイント接続】 : アンカー・ダイレクト楽天市場店,

soundcore C40i Open-Ear Earbuds | Ultra-Comfort and Exceptional Sound Quality,

Amazon.co.jp: Anker Soundcore P40i True Wireless Earbuds, Ultra Noise Cancelling 2.0, Bluetooth 5.3, Multipoint Connection, Up to 60 Hours Playback, PSE Technology Standards Compliant, Navy : Electronics,