Fangrui Product Details 1. Professional-grade Condenser Microphone Core The Microphone Uses A High-sensitivity, Clear And Non-distorted Condenser Microphone Core As The Core. 2. Handheld/neck-hanging Solution Neck-hanging Microphone, Free Your Hands From Having To Hold It Anytime And Anywhere. 3. Intelligent Noise Reduction Chip Intelligent Noise Reduction, Eliminating External Noise And Restoring Human Voice To Make Karaoke More Exciting. 4. Even Novices Can Use It Plug-and-play Without Setting Up The Receiver, And The Microphone Automatically Connects, Which Is Simple And Convenient To Use. 5. Strong Receiving Ability The Transmission Distance Is Up To 30 Meters And The Receiving Range Is Wide. It Can Be Received Within 30 Meters With Strong Penetration, And The Singing Is Louder And Clearer. Type:handheld Neck Hanging Wireless Microphone With 3.5mm Converter Adapter Working Voltage: Dc2.5-4.2v Maximum Current: Less Than 85ma Receiver Battery Type: 1200mah18650 Lithium Battery Microphone Battery Type: 200mah Polymer Lithium