The GSM MERCURY is OCEAN REEF’s most advanced underwater communication unit to date, combining the best features from multiple legacy systems into one compact, foldable, and highly capable device. With extended range, stereo-like clarity, and dual-channel communication, the Mercury is built for serious divers—whether you're diving for research, training, exploration, or safety.

It’s foldable into your mask, rechargeable, and offers hands-free communication with the clarity and range you've always wanted.

Key Features:

• Dual-Speaker Stereo-Like Audio – Enhanced immersion and sound clarity with volume adjustment

• Double Channel Functionality – Communicate with separate teams or switch channels depending on dive plan

• Extended Range – Operates clearly up to 800ft / 250m (depending on environment)

• Rechargeable, Swappable Battery – Approx. 30-hour autonomy; charges via standard micro USB

• D-Mic 2.0 + Blue Mic Upgrade – Crystal clear voice pickup with easily replaceable mic module

• Folding Design – No need to detach; folds inside the IDM for easy packing and protection

• Digital Voice Menu + DAT – Simple user interface with hands-free Digital Activation Transmission

• Upgraded PTT Button – Durable, intuitive design for reliable communication in any conditions

• Universal Compatibility – Works with all prior OCEAN REEF comm units and third-party systems using the same frequency

The GSM MERCURY is the future of underwater communication: powerful, streamlined, and built to adapt to your dive style.

Stay connected. Stay safe. Dive with MERCURY.