This SHS Audio SWUH-500 wireless microphone system comes with everything you need to get started. This pack includes two microphones, USB battery packs, USB rechargeable packs, wireless interface and power supply. It has FM200 radio signal capability making it easy to connect the microphones and use them from a distance 40m. This set gives you an option to either use the lithium rechargeable battery for 6-10 hrs or the battery rack which is designed to hold 2 AA batteries. The manual also highlights very easy to follow step by step directions on how to set up and use this system.