Sony MDR-XB70BT Wireless Earphones于 2017 年 1 月 1 日首次发布。优雅的黑色设计，重量为 43.00g，线长为 0.5m，使Sony MDR-XB70BT Wireless Earphones和耳机舒适。此版本的索尼耳机支持蓝牙 4.1。
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