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Amazon.com: Bose QuietComfort Bluetooth Headphones, Wireless Headphones with Active Over Ear Noise Cancelling and Mic, Deep Bass, Up to 24 Hours of ,11KB,13KB,Amazon.co.jp: Bose QuietComfort Ultra Headphones Fully Wireless Noise Cancelling Headphones Spatial Audio Bluetooth Connectivity with Mic Up to 24 Hours Playtime Fast Charging, Black : Electronics,QuietComfort ワイヤレスヘッドホン – スマートヘッドホン | ボーズ,