Features: 【Dual Microphone Synchronization】Dual-microphone design supports simultaneous connection of two microphones, ideal for home KTV, parties, and other group setting. 【Stable Radio Technology】Advanced radio technology effectively reduces interferences, ensuring clear and stable auditory quality. 【Portable European Design】Features a European-standard plug for convenient use across Europe without additional adapters. 【Long-Lasting Battery Life】Built-in high-efficiency battery supports extended uninterrupted use, perfect for lengthy gatherings or performances. 【Multi-Scene Compatibility】Widely compatibles various auditory equipment, suitable for home theaters, conference rooms and diverse settings. Specifications: Component：Plastic microphone， Plastic receiver Frequency: UHF adjustable frequency Support Backlit display Distance: 100 meters away Frequency ranges: 500-990MHZ Adjustable channels: 50 channels Microphone uses AA battery, 6.35 output port Microphone Size about 260x43mm/10.24x1.69in Frequency Modulator about 220x150x43mm/8.66x5.91x1.69in Package Includes: 2pcs Microphones 1pc Radio 1pc power cord 1pc manual note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution