京惠腾-Doobai度佰耳机 - Headset China::Geovictor::Professional Manufacturer of Headsets, Headphones, Earphones
京惠腾电子::Doobai度佰产品系列 >>> 蓝牙耳机-1
频率:20-20K Hz 阻抗:32ohm±10% 灵敏性:110dB S.P.L.at 1KHz ± 3dB 待机:75Hr 颜色:红色、紫色、银灰色、灰蓝色
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