JYX Dual UHF microphone system provide stable signal 200 ft operating range (line of sight) to freely move around during performances suitable for indoor and outdoor activities such as home karaoke church wedding conference and small stage performance. It comes with 2 professional UHF wireless mics to get a stable signal with up to 200ft transmission range. This dual-channel handheld wireless microphone operates in the 659.72 & 661.72 Mhz. Rechargeable wireless microphones for singing makes you move freely and do energetic and active performances. Long receiving distance great for hosting a party performances and live shows.