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.

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Package includes:

SONR receiver

Goggle clip

Charging cable

Ear plugs

Radio transmitter

Radio charger

Instruction manual

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*Number of SONR receivers depends on the chosen set.