Goodconny

1. Active noise reduction maximum: 15-30db, it can reduce low frequency traffic noise and environmental noise. 2. Circle iron double unit noise reduct

Apply latest noise reduction and amplification technology, matching 360 omnidirectional microphone and ultra-net noise microphone, it can shield backg

Apply latest noise reduction and amplification technology, matching 360 omnidirectional microphone and ultra-net noise microphone, it can shield backg

Apply latest noise reduction and amplification technology, matching 360 omnidirectional microphone and ultra-net noise microphone, it can shield backg

Apply latest noise reduction and amplification technology, matching 360 omnidirectional microphone and ultra-net noise microphone, it can shield backg

Apply latest noise reduction and amplification technology, matching 360 omnidirectional microphone and ultra-net noise microphone, it can shield backg

Apply latest noise reduction and amplification technology, matching 360 omnidirectional microphone and ultra-net noise microphone, it can shield backg

1. Active noise reduction maximum: 15-30db, it can reduce low frequency traffic noise and environmental noise. 2. Circle iron double unit noise reduct

1. Active noise reduction maximum: 15-30db, it can reduce low frequency traffic noise and environmental noise. 2. Circle iron double unit noise reduct

1. Active noise reduction maximum: 15-30db, it can reduce low frequency traffic noise and environmental noise. 2. Circle iron double unit noise reduct