[Long Transmission Distance] No noise at a constant frequency within 50 meters, and the wireless microphone has strong anti-interference capability. VHF frequency bands are used, and the signal is received securely from a long distance. [Easy to Use] Designed for devices with 1/4" (6.35mm) or 3.5mm (1/8") MIC inputs. The karaoke microphone and receiver pair automatically as soon as they are powered on. [Reproduces Sound Better] The wireless microphone can capture your voice accurately, suppress background noise from your shoulder, and reproduce sound better, clearer, and cleaner without distortion. [Durable Material] The receiver and microphone body are made of high-quality ABS material, durable and lightweight. The wireless microphone karaoke uses two AA batteries (not included), which can last for approximately 480 minutes. [Wide Application] The wireless microphone has a wide range of applications and is highly suitable for singing, karaoke, parties, speeches, weddings, conferences, and live performances.