According to the introduction, Hi-Res small gold standard certification, developed by JAS (Japan Audio Association) and CEA (Consumer Electronics Association), is one of the standards for headphones high-frequency extension, detail restoration power. Hi-Res Audio Wireless wireless gold standard certification to carry LDAC technology to ensure that the state of wireless Bluetooth can also enjoy the high resolution immersive sound quality.

The Edifier Free Pro headphones support active noise cancellation, noise cancellation depth of -38dB; equipped with 40mm units, titanium-plated composite diaphragm; support for game mode, 80ms low latency; appearance equipped with a wrap-around breathing ambient light, retractable bracket design; range of 50 hours, open noise cancellation also has 32 hours of life, charging 10 minutes, 2 hours of life.

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