---
title: Why should I attach the cell phone sleeve to the swim buoy?
description: The cell phone sleeve should be attached to your swim buoy to ensure your phone’s reception, GPS signal, and touchscreen functionality, allowing you to make emergency calls when needed.
---
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# Why should I attach the cell phone sleeve to the swim buoy?
When you place your cell phone in the waterproof cell phone case and fasten it to your swim buoy by RESTUBE, the case will not disrupt cell phone reception or the GPS signal. This cannot be ensured if your cell phone is in a sealed dry sack. In addition, you can also operate your cell phone in case of an emergency to make an emergency call, since your smartphone remains touch capable through the case.
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