The GSM Mercury is OCEAN REEFs newest communication unit. This system is easy to use and allows for seamless communication underwater!

- First-ever digital unit introduced by OCEAN REEF – the DC, resulting in clearer communication and higher volume. 

- Two channels allow for separate teams or conversations (depending on the surrounding environmental conditions)

- Foldable inside the mask. Simply assemble the unit one time then fold it close and pack the IDM.

- New rechargeable and changeable battery with an autonomy of approximately 30 hours of battery life on a full charge. Recharge with a standard micro USB cable from any power source.

- DAT (Digital Activation Transmission) – hands-free mode.

- Compatible with all prior OCEAN REEF units and competitor units on the same frequency.

- 2 earphones for stereo-like sound with 3 different volume levels. 

- Easy and solid new "Push to Talk" (PTT) button. Also includes the D-mic 2.0 which is now incredibly simple to swap out if needed. As intuitive as you would want it. 

- New Blue Mic on all 2020 units replaces the new D-Mic and increases the clarity of communication significantly.

- Voice menu that is clear making it easy to switch between channels and volume settings.