【High-Performance Bluetooth】 Equipped with Bluetooth 5.3, providing stable connection and low latency. Enjoy music and calls comfortably. 【Convenient Charging Case】 The charging case uses a USB Type-C port for quick charging. It also has a remaining battery indicator, so you can see the charging status at a glance. 【Stylish Design】 Wireless earphones with a simple and refined design. Convenient to carry and perfect for everyday use. - Bluetooth Version: 5.3 - Model Name: C7 - Charging Port: USB Type-C Will be shipped with waterproof packaging. Price reduction possible. Thank you for viewing. How about this opportunity? #HalloweenOnMercari