SafeSleeve products are designed to help reduce your exposure to everyday electromagnetic radiation (EMF) from phones, tablets, and laptops when used properly. This guide explains how SafeSleeve works, how to use it correctly, and what to expect.
How SafeSleeve EMF Protection Works
SafeSleeve products integrate lab-tested shielding material that can block up to 99% of radiofrequency (RF) radiation from the shielded side of the case.
This shielding works by creating a barrier that helps reduce radiation traveling from your device toward your body.
Important:
SafeSleeve products are directional, not all-around blockers. This means protection works when the shielded flap or panel is positioned between your body and the device.
Understanding Directional Shielding (Most Important)
SafeSleeve cases are designed to reduce radiation exposure without interfering with your phone’s signal or performance.
Because of this:
• Radiation is reduced from the shielded side only
• The device still emits signal outward so calls, data, and connectivity work normally
This design balances usability and protection.
If the shielded side is facing away from your body, the case is not providing its intended protection.
How to Use the Shielding Flap Correctly
When the flap should be closed
Close the front flap so it sits between your body and your device when:
• Making or receiving calls
• Carrying your phone against your body (pocket, bag, hand)
• Using your phone on your lap or chest
When the flap can be open
The flap can be open when:
• Taking photos or videos
• Actively using the screen at arm’s length
• Placing the phone on a table or stand
For best results, always think:
Is the shield between me and the device?
Using SafeSleeve With Calls, Streaming & Daily Use
• During calls, the front flap should face your head or body
• Speakerphone or wired headsets can further reduce exposure
• Wireless charging and MagSafe compatibility vary by model (see product-specific guides)
SafeSleeve does not increase radiation output or force your phone to work harder when used correctly.
What SafeSleeve Does and Does Not Do
What SafeSleeve does
• Helps reduce RF radiation exposure from the shielded side
• Uses independent lab-tested shielding materials
• Allows normal phone performance and connectivity
What SafeSleeve does not do
• Block radiation from all sides
• Eliminate all EMF exposure
• Replace safe phone habits or distance
SafeSleeve is intended as part of a practical exposure-reduction approach, not a guarantee of zero exposure.
Independent Lab Testing
All of our cases incorporate our Radiation Shielding Technology that has been tested in an FCC accredited lab to show Electromagnetic Radiation (including the most common 5G frequencies) reductions of up to 99%. Unlike most other products, it blocks multiple types of radiation from your electronics: up to 99% of Radio Frequencies (5G, Wi-Fi, cellular, etc.), up to 92% of Extremely Low Frequencies (battery, AC power, etc.), and Thermal (heat).
See below for a summary of the results or view the full report here.
Common Questions
Does SafeSleeve block 5G?
SafeSleeve shielding is designed to reduce a wide range of RF frequencies used by modern cellular devices, including those associated with 4G and 5G.
Will SafeSleeve interfere with my signal?
No. Because the shielding is directional, your phone can still communicate with cell towers and Wi-Fi networks normally.
Do I need to keep the flap closed all the time?
No. The flap only needs to be positioned between your body and the device when exposure reduction is desired.
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