♪【Farther Signal Range】The signal distance is 80 Feet .Dual Antenna Enhanced Wireless Signal, VHF Wireless Microphone is less susceptible to interference signals than VHF microphones, without worrying about the sound being interrupted during use.Effectively prevent the interference from computer, DVD and amplifier. ♪【Better Sound Quality】Built-in sponge filter, effectively filter background noise and suppress howlround,which helps you get a clear voice.Using VHF fixed high-frequency line design, avoid the frequency of interference easily. The 1/4 inch jack (6.35mm)output is use for speaker or amplifier. Allowed to mix the mic signal with music signal without using an mixer. ♪【Longer Use Time】Wireless microphone allows you to move freely on the stage and the batteries allow you to use the microphone a long time , it is enough for any performance.So,it is a good choice for home karaoke,outdoor concerts ,meeting and performance. Package Included: 1x 2 channel VHF receiver 2x Handheld Microphones 1x Audio cable 1x Charger 1x English User Manual Features: 1.2 Channel Receiver with 2 handheld Microphones 2.LCD display showing Channel Frequency 3.Range 80 Feet 4.Connect with computer,speaker,CD,VCD,etc. 1.Carrier frequency:VHF230-270MHz 2.SNB＞100db 3.Frequency stability±0.005% 4.T.H.D at 1KHz: less than 0.8% 5.Audio Out:0-0.35Vp-p5k 6.Frequency response: 20Hz-18Hz+3dB 7.Temperature range: -10°C to 70°C 8.Voltage: 220V/50HZ battery 9.Sensitivity:10UV/40db EMF 10.Battery:4XAA batteries(Not Included) 11.Power adapter type:US Plug