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Active noise reduction technology and principle: Adopt active noise reduction technology, active noise reduction principle, the microphone inside the earphone is used to monitor the environmental noise, and will generate an active noise reduction system, invert and think about the sound wave to cancel The noise sound wave.
Long standby: 4 hours of music every day, pure music u003e 30 hours, pure noise reduction u003e 30 hours, music + noise reduction u003e 25 hours.
NFC touches the connection: the NFC part of the headset and the NEC-enabled smartphone can be quickly connected.
Second-change wired headset: equipped with 3.5mm audio input function, immediately after plugging in the audio cable, it becomes a wired headset with free wireless switching.
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