K8 Wireless Microphone Black Material: Aluminium Alloy + ABSBattery: Built-in 75mAh Battery (Up to 5 Hours Endurance)Wireless Range: 20m Key Features Plug & Play: Hassle-free setup with no additional drivers required. Collar Clip Design: Easily attach to clothing for hands-free use. Noise Reduction Technology: Enjoy crystal-clear audio in any environment. Compact & Portable: Lightweight design perfect for on-the-go use. Professional Quality: Condenser microphone with omni-directional polar pattern for superior sound capture. Performance Details Signal-to-Noise Ratio: 65dB Sensitivity: -42dB±2dB, -26dB Sampling Rate: 48KHz/16bit Maximum SPL: 110dB Frequency Response: 20Hz20KHz Applications Ideal for: Smartphones Computers Recording sessions Conferences Online teaching Communication Karaoke