brand new and high quality Professional Dual Wireless Microphone System. This dual microphone system suitable for professional singers on stage in small bars and pubs, mobile disco and karaoke, and home use, then this is the option for you for Pop/ Shock Noise for Protection Voice Compression Dynamic Microphone Voice Coil Comes with wireless receiver for enhanced mobility Easy to use and affordable alternative that is for ideal for meetings, events, speeches, etc Connects to most audio devices that have microphone inputs. (guitar amplifier, karaoke machines, etc.) 2 microphones, 1 receiver with 2 built in retractable antennas Come with a 6.35mm Jack Cable (Jack Cable Length: Approx. 86cm/ 33.86") Specification: Frequency Range: FM121.7-128.7MHz Frequency Response: 100Hz-10000Hz (3dB) Audio Distortion: Less than 1% Dynamic Range: 80dB Walltage: 220V Operating Temperature: 0-45 Service ares: 10m/ 393.70" Transmitter Microphone: Type of Emission: FM S/N Ratio: Better than 80dB RF outpupower: 8mw (50mw maximum) Frequency Deviation: 75KHz Battery: 9 V Battery (not included) (not included) Microphones Length: 24.5cm/9.65"(approx) Wireless Receiver (L*for W*for T): 29.5 x 10.7 x 4.2cm/11.61"x4.21"x1.65"(approx) Plug Type: EU Plug Receiver: Type of receiver: FM S/N Ratio: 50dB Reception Mode: super heterodyne space diversity Audio Output level: >25mV Reception Sensitivity: 600w(unbalanced) Power:30dB/ V Note: Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Please understand, Thank you.