Mic Wireless Hardwell Champion1 Original Champion 1 karaoke studio

Mic Wireless HARDWELL CHAMPION 1 fequency UHF 2 Mic Wireless Original fequency range uhf500-980mhz band width 1 2/24mhz,100 frequencies seletable feature uhf/pll phase-locked loop controlled frequency stability + 40 hz-18khz s/n ration 105db T.H.D ,0.5%@1khz sensitivity 3uv.30db max deviantion range +2khz image rejection 90db spurious emissions ,60hz power supply 100-240v,50-60hz power consumption 5w working temperature-10-40c audio output voltage -12db battery type 2**aa1.5v alkaline battery includes receiver = 1 pcs transmitter = 2 pcs audio output cable = 1 pcs power adaptor = 1 pcs user manual = 1 pcs battery = 4 pcs