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The H-905A Bone conduction headset receiver is designed for shallow open water teaching or instant messaging. It must receive signals from the FM transmitter H-900A used by the coach.
The H-900A is an FM transmitter. It is usually used by instructors or coaches. Both the H-900A and H-905A have 7 FM public channels. These public channels are: 136.01, 136.02, 136.35, 136.50, 136.645, 136.79, 136.845. They can all be used freely around the world. There is no conflict with the local FM radio station.
The H-900A can be used with one or more students, that is, while wearing the H-905A, to adjust their respective channels to one of seven channels, each channel has a color, so the channel is set very well. Note: There is no limit to the number of headphones that can receive signals in the same channel, that is, a signal from the H-900A can be received by countless receivers. Multiple students' headsets receive signals at the same time, and we call a group of people receiving signals. In the same place, 7 such groups can be allowed to train together at the same time. The coach can communicate the information to different groups by switching channels. It also allows a coach to bring a group of people (maximum of 7 groups) to train in the same place without any interference between them.




Poduct put in gift box.
Gift box put in a waterproof carton box
4-7 days by express service



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