The Green Lion Digital Display Mic is a wireless microphone system designed for high-quality audio recording and effortless performance. It features 2.4 GHz digital frequency, a 20 m operating range, and 360° sound pickup. Each system includes 2 microphones and 1 receiver. The mics offer 7 hours of battery life per charge, extendable to 21 hours with the charging case, making it ideal for events, presentations, streaming, and professional recording.