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SONR is a wearable radio receiver for swimmers, which allows the coach to improve their technique, during the training even when the swimmer's head is underwater. Shaped as a disc, it is located under the swimming cap to hear the voice of the coach.
Package includes:
SONR receiver x 1
Goggle clip x 1
Charging cable x 1
Ear plugs x 1
Instruction manual x 1
