This product is the first and only Snorkeling Communication Unit available – it is an exclusive Patented technology by OCEAN REEF.Rechargeable Battery Via USB.Rated IP68. These practical transceivers make communication possible while snorkeling. Four different channels are used in pairs for direct one on one communications or for group narration by snorkeling tour leaders. Long-life battery for continuous use assured for several hours.Full specs in Learn More section. Made In Italy.2 YEARS WARRANTYCommunication can only occur while the unit is above the water.
