UHF Wireless Microphone System Wireless Microphone with Treble Echo Bass &Bluet

Specification: Receiver desktop Frequency: UHF500-599MHZ Frequency stability. 90DB Mirror interference ratio: >88DBSNR: >95DB Audio output: 0-300MV Working range: standard conditions 20 to 50 meters Accepted channel: 2 channels Power supply voltage: AC/100-240V Bluetooth: 4.2 Antenna: External antenna Launch handheld Carrier frequency: UHF500-599MHZ Frequency stability.