Sennheiser MM450 Wireless Headphones于 2013 年 6 月 11 日首次发布。此版本的 Sennheiser 耳机支持蓝牙 2.1、SBC、aptX。它的电池寿命为 20 小时，可帮助您在漫长的一天中舒适地使用它。
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