SWIFF Audio M1 Wireless Microphone Adapter System 2.4 GHz Digital Transmission Technology Dynamic Microphone with Any Ca

Features Suit for all dynamic microphone with any cassette interfacesTransmission distance can reach 30 meters2 4G digital signal transmission technology strong anti interferenceStable and continuous transmission lantancy ≤5ms Multiple equipments can be used together without interferenceBuilt in USB rechargeable lithium battery can last more than 5 hoursWorking frequency band 20 20KHz 1DB 3DB Specification Band used 2 4GHz ISM band WoldwideTransmission range 30 metersAcceptance sensitivity 110dBm 20dBSINADDelay 5msSignal to noise retio 85dBFrequency response range 20Hz 20KHz 1dB 3dBDynamic range 102dbDistortion 0 05 Full power working time ≥5h rechargeable lithium battery Dimensions TX 102 23 20mm RE 103 23 23mmWeight 65gColour Black Package Included 1 set of SWIFF Audio M1 Wireless Microphone System