Rechargeable and durable: the wireless microphone uses a 1200 mAh battery, delivering up to 8 hours of work on a full charge. It charges in about 3 hours to keep performance continuous and uninterrupted. Stable and clear signal: a professional high-sensitivity dynamic microphone with UHF technology provides stable transmission up to 30 m. Cables are no longer needed, and sound quality is clear and reliable. Wide compatibility: designed to work with devices that have a 35 mm (1/4 inch) or 3.5 mm (1/8 inch) microphone input. Compatible with karaoke machines, mixers, audio systems, PA systems and more. Reliable: both microphone and receiver undergo professional drop tests for high resistance and wear resistance. Lightweight construction and an integrated cardioid pattern help minimize interference and dropped calls for dependable performance. Use scenarios: - Home karaoke or small gatherings: wirelessly connect to a karaoke machine or PA system for easy singing or announcements. - Classroom, conference room, or small venue: use during lectures or events, keeping the setup simple and cable-free. - Live performances or stage events: clear voice pickup with stable range for speaking or singing without clutter.