The result is a buoy that feels solid

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6 million complete cycles and a load three times the one produced by human strength

Strong 850 gsm PVC construction with double chamber

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Mobiles Sonar - Tiefenmesser goggles The result is a buoyIntroducing the ultimate tool for freedivers seeking precise depth measurement before taking the plunge! Our portable sonar device is designed to provide accurate readings, ensuring your safety and enhancing your freediving experience. In this short video, we showcase the convenience and efficiency of our portable sonar for measuring water depth before your freedive. Say goodbye to guesswork and hello to confidence as you rely on this compact and