Hisonic HS309W Portable Wireless and Wired 2 in 1 Microphone with Echo for Home and Stage Use High quality Metal Microphone with 2 Options Wireless or Wired and echo Turn the Microphone into a wireless one just plug the antenna and put the battery 30 days money back guarantee and one year limited warranty S6 Feet long Wire Cable to connect it your singing machine Portable Receiver just put a battery and plug to your Mic Jack you can use the system without a cable This is a system that need some step to use it the receiver and transmitter need tuning to work together There is a tuning hole on the receive it is the place where they can make the sound come out Just use a screw driver to tune it it will work and this is clearly stated in the manual book