Panasonic RP-NJ300B Wireless Earphones于 2017 年 10 月 12 日首次发布。优雅的黑色设计和 13.00 克的重量使Panasonic RP-NJ300B Wireless Earphones成为一款美观舒适的耳机。此版本松下耳机支持蓝牙 4.1。它的电池续航时间为 4.3 小时，可帮助您在漫长的一天中舒适地使用它。
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