Microphone. Head-Mounted Microphone. Dual Fixed Frequency Wireless Microphone System. Handheld Headset + Lapel + Karaoke Microphone 1. Key Points: 1) Uhf Band Fixed Frequency 2) Transmitter: 2pc Waist Bag + 2pc Lapel + 2pc Earphone 3) Recipient: A) Metal Box, On/Off Button, Radio Frequency Indicator B) Individual Volume Control For Each Channel 4) Two Xlr Single Outputs And A 1/4" Mixed Output. 5) Range: Up To 98 Feet (More Than 30 Meters), Suitable For Karaoke, Lectures, Parties, Churches, Etc. 6) Battery: 2 * 2 * 1.5 Aa (Not Included.) Receiver Front Panel Functions: 1.) Power Switch: A) Connect The Power Adapter To The Wall Socket Of The Receiver, And Then Connect The Power Adapter To A 220v Power Source. B) Press The Receiver Power Button, The Power Indicator Light Is On, And The Receiver Is In The "Working" State. 2.) Rf Indicator If The Recipient Is In A "Work" State, A) The Microphone A/B Is Out Of Power, And The Left/Right Rf Light Is Off B) The Microphone A/B Is Turned On, And The Left/Right Rf Light Is On 3) Volume Key: Clockwise: Volume From Low To High Left: Volume From High To Low Launcher: Capsul: Professional Audio Dynamic Capsul Transmitting Power: