brand：Study of cable

JF-304A one with two wireless microphone features

   1, the two microphones can be used at the same time, in the classroom can be used to enhance the interaction between teachers and students.
2, the appearance of small, lightweight and easy to carry. The transmitter weight is not more than 20g, a long time with the use of no load bearing.
3, microphone and transmitter integrated design, easy to keep. Metallic silver shell, high fashion.
4, the use of energy-saving technology ultra-low emission power, electromagnetic radiation is only ordinary mobile phone 1/90, worthy of the name "green wireless microphone".
5, built-in lithium battery and charging module, with low voltage alarm, charging instructions, automatic shutdown after charging function. A full time of more than 8 hours to meet the requirements of all day use.
6, with professional ID code encryption transmission technology, ID coding up to one million units, each product is only a single ID code. Use the same equipment in the same place without interference.
7, the transmitter design volume toggle switch, easy to users according to the environment, adjust the volume at any time.
8, USB interface to take power, can be directly in the computer power, or through the 5V adapter power, easy to use, the entire receiving weight of not more than 20g, easy to carry management.
JF-304A one with two wireless microphone for use