H21H Home Karaoke UHF Wireless Hand-Held Microphone, 2 Mic + 1 Receiver - Grey

UHF wireless microphone is a microphone that uses ultra-high frequency radio waves for signal transmission. It is usually used for stage performances, speeches, conferences and other occasions.

• High Frequency Transmission: UHF wireless phone uses the ultra-high frequency band for signal transmission. Compared with the traditional VHF band, the UHF band has less signal interference and can provide more stable audio transmission
• Longer Working Distance: Due to the characteristics of the UHF frequency band, UHF wireless microphones can achieve longer distance transmission, allowing performers to have more space for activities on the stage
• Multiple Channels: UHF wireless profiles usually support multiple channel selections. This means multiple sets of wireless microphones can be used simultaneously in the same area without interfering with each other
• Anti-interference Ability: UHF technology is more resistant to interference signals, reducing the interference of other electronic devices on wireless microphone signals
• Flexibility: UHF wireless handsets usually have a portable design, which is easy to carry and set up, suitable for various live performances and events

Specifications:

• Frequency response: 60Hz-18KHz
• Transmit power: 15dBt2dB
• Microphone sensitivity: -56dB+3dB
• Receive sensitivity: -106dB
• Working distance: 30m (in an open and barrier-free environment)
• Working channel: A-12 frequency points/B-12 frequency points
• Built-in lithium battery: Microphone: 18650-1200mAh, Receiver: 18650-1200mAh
• Maximum current: 95mA
• Battery life: about 12 hours