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"","","1748027","","POLY","78712-02","1748027","","头戴式耳机及耳机设备","1637","","","HW291N","20221021101432","ICECAT","1","62668","https://images.icecat.biz/img/norm/high/1748027-4622.jpg","509x640","https://images.icecat.biz/img/norm/low/1748027-4622.jpg","https://images.icecat.biz/img/norm/medium/1748027-4622.jpg","https://images.icecat.biz/thumbs/1748027.jpg","","","POLY HW291N 耳机 有线型 办公室/电话服务中心","","POLY HW291N, 有线型, 办公室/电话服务中心, 耳机","POLY HW291N. 产品类型: 耳机. 连接方式: 有线型. 推荐使用: 办公室/电话服务中心","","https://images.icecat.biz/img/norm/high/1748027-4622.jpg","509x640","","","","","","","","","","","性能","产品类型: 耳机","推荐使用: 办公室/电话服务中心","耳机类型: 单声道","端口 & 界面","连接方式: 有线型","耳机","原声系统: 开放式","麦克风","麦克风类型: 悬挂式"