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 3
Goggle clip x 3
Charging cable x 3
Ear plugs x 3
Radio transmitter x 3
Radio charger x 3
Instruction manual x 3
