Wireless Microphones, DELFINO System Wireless Microphone Headset Lavalier Lapel Speak Beltpack Receiver, Suitable for Smartphone Laptop Desktop PC Speaker Stage Speaker Public Speaking and Teaching

✔【Plug and Play】Composed of two main parts (transmitter and receiver), the wireless microphone will be automatically connected with the receiver plugged (3.5mm and 6.35mm plugs included).
✔【Wireless Microphone Headset】Lightweight and comfortable to wear over head with adjustable headband, or easily disassembled to a hand-held microphone. Handy 2-in-1 wireless microphone.
✔【UHF Microphone】: The microphone uses UHF frequency conversion technology (600-900Mhz Frequency Band). Multiple microphones can work simultaneously. They will not interfere with each other.
✔【Frequency Changeable & No Interference】There are up to 40 frequency bands for you to choose. Great for more than two microphone sets used in the same place. You can also change the frequency if the sound is not clear.
✔【Wide in Use】The wireless mic can be widely used on voice amplifiers, large power speakers, like stage speaker systems, media classroom speakers, bus speakers, trolley speakers, etc. It is the best choice for stage performers, tour guides, teachers, coaches, presentations, etc.