Each microphone and receiver has a built-in 2500mAh rechargeable lithium-ion battery, these wireless microphones can last more than 24 hours when fully charged.
... karaoke machines, stage performances, presentations, weddings, conferences, churches, interviews and family gatherings. 3. With a professional cardioid ...
Wireless Microphone with 6.3 mm to 3.5 mm TRS Converter for MIC Jack Speakers, King Machines, Audio Amplifiers, PA Systems, Voice Amplifiers and other streaming ...