Recommended uses for product. Gaming, Karaoke, Singing, Streaming. Mute Function, Volume Control. PC, TV, karaoke machine. 2 x Handheld Microphones, 1 x Receiver Case, 2 x Lavalier Belt Pockets, 2 x Headphones, 4 x Antennas, 1 x User Manual. Durable: Sturdy metal construction with lapel / flip up lapel / headphone/fanny pack. High quality plastic waist bag with light weight for high-sensitivity lavalier microphones and headset microphones, ideal for small outdoor performance, conference rooms, classrooms, bars, dance halls, karaoke halls and high-end complex professional concert environments to achieve satisfactory results. Clear & Pure Sound Quality? High quality mobile cardioid mic head designed to limit feedback and interference, the 4-channel wireless microphone with fixed frequency design has excellent signal stability and eliminates unwanted distortion. The microphone has a built-in high quality chip to provide clear, smooth and optimal sound. Wireless Performance Exceeds Expectations – MicrocKing wireless microphone system provides superior signal stability, eliminates radio interference and simplifies your preparation. Equipped with a professional receiver, LCD screen displaying frequency numbers and individual volume controls for accurate voice balance, the MK240-2 wireless microphone system is perfect for music lovers and sound engineers who need reliable and pristine sound. Sturdy Material – Polypropylene microphone housing with metal mesh head and metal connectors for added impact and corrosion resistance. Receiver with four XLR outputs and a 1/4 audio output jack for easy installation, and individual volume control for each wireless microphone. UHF microphone system with voice compression and expansion technology, microphone with anti-vibration ring, easy to operate, powerful and stable performance. Focus on service: 2 x portable microphone, 1 x receiver case, 2 x lavalier belt pouch, 2 x earphones, 4 x antenna, 1 x user manual. If your microphone has no sound, please make sure your microphone and receiver have enough power. RF Frequency Range: 500MHz. Range: 164 ft under typical conditions. Audio frequency response: 50-18000Hz – 3dB. Audio output level (+-20kHz, 1kHz tone): 1/4 connector (3K load): -8.8 dBv (Hi Z), XLR connector. RF sensitivity: 85 dbm, typical. System distortion (ef +15 deaton, modulation 1 kHz): 0.4%. Power requirements: 3V battery and pocket battery. Transmitter: 50mA average (70mA max). Receiver: Average 100mA (130mAh). 20 to 50 (-4 to 122 °C). Note: Battery specifications may limit this range. Issues requiring special attention. You will need additional audio equipment like a speaker to connect to this product for the sound to work. Please keep the receiver away from metal or any digital device such as computers, mobile phones, etc. To avoid potential sources of interference. The receiver should be more than 1 m from the ground. Please avoid being against a wall. Please do not use the microphone facing the receiver too close, in order to avoid noise interference. Please do not beat the microphone head with your hand, otherwise it may be damaged. During performance or presentation, the N/MEOFF switches to the MUTE position when the system is not used7. When the apple or has a position S d e m r N swh o t OFF to save battery. 8 A batteries required. Karaoke Machine, Laptop, Television. 41.9 x 20.1 x 5.3 centimetres.