1, 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. After use, can be placed in the bag, take up little space, easier to personal custody.

2, can be equipped with a microphone, a microphone or a short microphone, to provide users with a variety of options.
3, 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".
4, the launch of the built-in lithium battery and charging module, with a low voltage alarm, charging instructions, charging, automatic shutdown after the completion of the function.
5, a full use of time for more than 8 hours to meet the requirements of the day.
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, the host shape steel structure design, impact resistance, soft and light touch;
9, the replacement of the battery design, more convenient for outdoor use, to save the cost of buying batteries;
10, automatic detection U disk / SD card, automatic play. Compatible with SD/MMC, USB1.1, 2. Digital FM radio, auto scan lock.
JF-302 collar clip microphone speaker use schematic diagram: