Sony MDR-EX31BN Wireless Headset于 2017 年 1 月 1 日首次发布。优雅的黑色设计，重量为 34.00g，线长为 0.4m，使Sony MDR-EX31BN Wireless Headset和耳机舒适。此版本的Sony MDR-EX31BN Wireless Headset具有 13.5 驱动器尺寸、16 欧姆阻抗、105 dB 灵敏度和 20Hz-20,000Hz 的频率响应，提供更清晰、更锐利的声学体验。它的电池寿命为 10 小时，可帮助您在漫长的活动日中舒适地使用它。
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