The Studio Z GW851BL is a professional wireless microphone kit which can be used for vocals and musical instruments. This microphone comes with a wireless receiver that is completely rechargeable and has a 90 degree rotating 1/4" plug in adaptor. The GW851BL mic has a distinctive upper-midrange presence peak that ensures an intelligible, lively sound. Perfectly fits a performer's hand, balanced for total comfort during long gigs. Frequency response is a smooth, vocal-tailored 50Hz-15kHz, and the price is a bargain considering its life expectancy. This kit also includes a 3.5mm adaptor for the receiver, as well as 2 AA batteries and foam widescreen for the wireless microphone.