Audio-Technica ATH-BT09 Wireless Earphones 은 2017년 2월 15일에 처음 출시되었습니다. 이 버전의 Audio-Technica 헤드폰은 블루투스 2.1을 지원합니다. 배터리 수명은 7시간으로 길고 활동적인 하루 종일 편안하게 사용할 수 있습니다.
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