Soap free: it is ultra - efficient white respecting your skin balance.

无皂配方: 卓效清洁,同时保持肌肤天然平衡.

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The headphones feature proprietary large - aperture drivers with neodymium magnet systems for ultra - efficient signal transfer.

耳机功能专有大口径钕磁铁驱动器系统的超高效信号传输.

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Patented SURF ( spatial ultra - efficient recursive filtering ) technology enables it has low power and low cost.

该芯片采用专利空间超效率回归滤波 ( SURF ) 技术,具有较低的功耗和成本.

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