Anker Soundcore V20i (Bluetooth 5.4) [Open-Ear Wireless Earbuds / IP55 Dustproof and Waterproof / Up to 36 Hours of Playtime / Multipoint Connection] Black Open-Ear Earbuds That Don't Block Your Ears: You can use them with peace of mind even when you want to hear the surrounding sounds while you're out and about or doing housework. You can respond to sudden conversations without removing the earbuds. Adjustable Ear Hooks: The ear hooks can be adjusted to 4 different angles, providing high stability and a comfortable fit. By fitting them snugly to the shape of your ear, sound leakage is also reduced. Customizable Lights: You can customize the colorful lights to match your usage scenario, such as nighttime running. You can enjoy the lights to match your mood. Abundant Features: Equipped with various convenient features such as IP55 dustproof and waterproof rating, multipoint connection, and equalizer settings via the app. Also supports quick charging, allowing for up to 1 hour of music playback with approximately 10 minutes of charging. Package Contents: Main unit, charging case, USB-C cable, quick start guide, product certified with the Technical Regulations Conformity Mark (Frequency band: 2.40-2.48GHz) Regarding trust, I removed the protective film from the new product and listened to it once (for about 10 minutes), and then reapplied the film to prevent deterioration. (I apologize for the unsightly air bubbles.) By the way, the accessories are unused, and I have not charged them. I am selling them as part of a decluttering effort. Thank you for your understanding.