?Rechargeable Receive and wireless microphones?Both receiver and wireless microphone are rechargeable ,taking about 3 hours,working time about 10 hours when full charge.You don’t have to replace batteries. ?Headset and Handheld 2 In 1?:Wireless microphones come in two parts, it can also be used as handheld mic, more freedom to move around and demonstrate highlights or important facts, perfect for Fitness Instructor,Teacher, dancing instructor. ?2 Audio Jack Supports & Wide Compatibility ?The headset microphone supports 1/8"(3.5mm) and 1/4"(6.35mm)jack we provided,which can be used with portable PA system,Karaoke machine,voice amplifier ,mixer,large power speakers,multimedia,bus speaker etc.(DO not support phone/Mac/Laptop). ?Plug & Play]:Receiver and transmitters are easy to pair, turn on and short press the signal button of the receiver first, then power on and long press the signal button of the wireless mic (transmitter), they will be connected automatically. ?Two Transmitters For Two People]:This wireless microphone can be used by two people at the same time. Freely match the headset you want, of course, you can also use only one microphone. The working method is to pair two transmitters with a receiver, so your device only needs to have a microphone jack to complete the work of two people. No set, plug and play.160 ft (50m) stable transmission distanc.