YARMEE Professional UHF Wireless Microphone Handheld Karaoke Mic Speaker With Rechargeable Lithium Battery Receiver For Singing

Specifications:Frequency band: UHF Microphone power supply: builtin battery Frequency range: 470mHz-960mHz Signal to noise ratio:>70dB Distortion: â‰¤0.5% Work channel: 2 channels Frequency response: 50-18kHz Package weight: 0.8kg Delay: <3ms Receiving distance: about30M Package weight: 0.8kg Packing size: 30319260mm Charging time：2-3 hours Microphone working time：about 15 hours Function: 1. Volume adjustment 2. ECHO adjustment 3. FM adjustment2 Microphones Package included:2 x Microphone 1 x UHF receiver 3 x Lithium battery 1 x Conversion plug 1 x Charging cable 2 x Wind shield 2 x Slip ring 1 x Instruction1 Microphone Package included:1 x Microphone1 x UHF receiver1 x Charging cable2 x Lithium battery1 x Conversion plug1 x Wind shield1 x Slip ring1 x Instruction