*采用電子降噪技術，可以營造局部安靜的聽覺環境，在嘈雜的環境中達到清晰、高質的聽覺享受 *小耳塞設計方便攜帶適合MP3或音樂手機使用者
產品說明：
Focus on noise reduction effect and sound quality(註重降噪的效果和音質)
*. Active noise cancelling technology to enhance the power of noise filtering.
*. Block the external noise to offer a superb listening experience,cuts ninety percent of low frequence noise indoors or outdoors.
*. Portable and cable detachable design, convenient for traveling users especially for users in noisy environment like subway, airline, highway, etc.
參數說明：
*. Noise cancelling
*. Driver unit: 9mm dynamic speakers *. Impedance : 32Ω±10%
*. Frequency response : 20Hz - 20KHz
*. Reduction level: >15dB
*. Sensitivity: >105dB
*. Cord length: 1. 5m
*. Plug: 3. 5mm stereo plug
*.Power requirement: 1 × AAA batteries(not included) Or By Lithium battery(optional)
*.The quotation doesn't include the pouch（PE package）
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