Do you need a SPG if you have a transmitter? #askmark
17:29
Which dSMB is Best? #askmark #scuba @ScubaDiverMagazine
15:11
Air Integration? SPG? or Both? - Here's what the Pros use
21:11
EQUÍPATE Y HAZLO BIEN: Episodio 2: Los SPG están obsoletos
18:23
Everything You Need to Know About Transmitters and Wireless Air Integration #scuba
11:20
What Every Diver Needs to Know About Oxygen!
8:42
Why Put a Transmitter on a Short Hose? #askmark #scuba
8:42
Quería menos tecnología… ¡Así que compré este teclado!
31:29