🎶 Elevate Your Events with Effortless Sound! Stream music effortlessly while you sing your heart out. Enjoy up to 7 hours of performance with built-in rechargeable batteries. Experience crystal-clear sound with no dropouts or feedback. Professional-grade dynamic microphones for any occasion. Easily connect to various audio systems with multiple output options. 15 Channels 240ft Range 7h Battery Life The Bietrun Wireless Microphone System offers a professional-grade audio experience with a 240ft range, dual rechargeable microphones, and versatile connectivity options, making it perfect for karaoke, meetings, and events.