SHENGFU PRO-4T Multifunctional Wireless Microphone Headset UHF Adjustable 4-channel Universal Wireless Condenser Mic for Teaching

• The shell of Mic is made of ABS, not only Eco-friendly but also moisture-proof and corrosion-resistant. The microphone core has audio cotton to reduce the spraying of wheat. It has a good overall feeling. It is compact and easy to carry with you
  

• Enable any of your speaker equipment to achieve wireless amplification

• Wireless microphone/receiver, with low-power prompt and low-power shutdown function, in the case of same-frequency interference during use, the AB channel can use frequency conversion to avoid same-frequency interference

• Using UHF digital chip, 2.5-millisecond transmission delay, strong anti-interference ability, transmission signal more reliable, more stable, and pure sound

• Suitable for computer microphones, conference microphones, karaoke microphones, churches, stage performances, interviews, speeches, singing, teaching, broadcasting, etc.

• Functions: noise reduction, lightweight, portability, dynamic microphone core, etc.

Specifications:

• Model: PRO-4T

• Power supply: USB5V500MA-1A

• Operating distance: effective distance of 30 meters

• Wireless microphone:  

• Frequency band A: 671.70MHz-677.10MHz

• Band B: 677.70MHz-683.10MHz

• Frequency band C: 684.90MHz-690.30MHz

• Frequency band D: 690.90MHz-696.30MHz

• Receiver:

• Frequency band A: 671.70MHz-677.10MHz

• Band B: 677.70MHz-683.10MHz

• Frequency band C: 684.90MHz-690.30MHz

• Frequency band D: 690.90MHz-696.30MHz

• RF power: 10dBM

• Frequency response range: 50Hz-15KHz

• Microphone core type: capacitive microphone

• Battery type: 3.7V lithium battery 400mAh x 4

• 18650 battery: 2600mAh