【New & Unused】 Please understand that we do not inspect items by opening them to prevent a decrease in product value. Therefore, we cannot address any defects. Please purchase only if you understand this. Earphones Bluetooth Earphones Wireless Earphones Bluetooth 5.3+EDR Equipped 2024 New Masterpiece Model, Calna Type, Unprecedented Sound Quality Experience, Automatic Pairing, Instant Connection, 36 Hours Continuous Playback, Comfortable Fit, Ultra-Lightweight, Single/Dual Ear, Left/Right Separation, Volume Adjustment, Hands-Free Calling, Built-in Microphone, Siri Compatible, Small/Lightweight (Black)