專(zhuān)利產(chǎn)品。真正的解放上網(wǎng)聊天的距離，真正實(shí)現(xiàn)了無(wú)線(xiàn)WIRELESSHEADPHONEWITHMICROPHONETRANSMITTER無(wú)線(xiàn)麥克風(fēng)耳機(jī)發(fā)射器TransmittingresponseChannel148MHZ信道148MHZChannel212MHZ信道212MHZModulationsystem調(diào)制方式Frequencymodulation調(diào)頻WIRELESSSTEREOHEADPHONEWITHMICROPHONE無(wú)線(xiàn)麥克風(fēng)耳機(jī)接收器response40-18KHZ頻響40-18KHZSinal-to-noiseratio 50dB信噪比 50dBDistortion 1.5%失真度 1.5%OperationrangeApprox.20M工作范圍約20米