Welcome to NCS CONCEPT STORE All Ready Stock Free Shipping (claim your free shipping voucher) Ship locally from Malaysia 100% Brand New and High Quality Wholesale available Microphone UHF Karaoke Mic With Receiver Microphone Basic parameters 1.frequency range: refer to the actual parameters of the microphone 2.carrier frequency: 500KHZ 3. receiving distance: open space 50M-100M 4.frequency response: 50HZ-18KHZ 5.signal-to-noise ratio: > 90db 6.modulation method: digital FM 7.Pickup method: moving coil 8.output level: 200MV±5MV 9.6.35mm audio plug to connect all kinds of audio microphone input interface What in the box: 6.35mm plug receiver Wireless Micophone Battery