双路USB电话录音盒 In stockReconfirm the price with sellerContact supplierShipping:CourierIn detailAdd to selectedCompareSellerhang zhou jing chang xin she bei you gong siChina, Hangzhou(View map) +86( Display phones DescriptionUSB接口 : USB2.0兼容 电话接口输入阻抗 : >20 K欧 信噪比 : 典型60 dB 频率响应 : 300-3400 Hz 语音编码 : A-law (64KBPS),8倍压缩(8KBPS) 功耗: <200mW 硬件产品尺寸:75×50×25 mm Contact the seller双路USB电话录音盒 Full namePhoneE-mailCaptcha (4 characters)I agree with privacy policies, regarding confidential data and user agreementMessage We recommend to see Microphone stands Devices recording Sound equipment Shipping method