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Amazon.co.jp: 2023 Bluetooth Headset: Bluetooth 5.2 Earphones, One Ear, 100 Hours of Continuous Use, Wireless Earphones, Ear-Mounted, 500mAh Charging Case, LED Battery Level Display, Hands-Free, Headset, Microphone, CVC 8.0 Noise Canceling, Single-Ear
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