Casio Releases Logosease Compact Underwater Walkie-Talkie for Scuba Divers
scuba World's safest snorkel mask with walkie talkie launches on Indiegogo for $70 - Gizchina.com - Scuba Diving Zone | Snorkel mask, Snorkeling, Scuba
Amazon.com : OCTOMASK - Frameless Dive Mask w/Mount for All GoPro Hero Cameras for Scuba Diving, Snorkeling, Freediving (Black) : Diving Masks : Sports & Outdoors
Amazon.com: OCEAN REEF - Snorkie Talkie US Version - Walkie Talkie, Transceiver, Two-Way Radio - Rechargeable Battery Via USB - Allows for Two-Way Communication While Snorkeling : Electronics
I Have No Choice but to Keep Looking' - The New York Times
Let's Talk About Underwater Communications Systems | X-Ray Mag