[120PCS] Smart Rings Size Adjuster, Ring Adjuster Invisible Fit for Loose

Why it's a great deal

• Universal Compatibility: These ring sizers are designed to work seamlessly with most popular smart rings, including Oura Ring (Gen 4 & 3), Samsung Galaxy Ring, Ultra Human Ring AIR, RingConn (Gen 2 & 1), and Amazfit Helio. No more guessing or dealing with mismatched sizing tools—this one set covers all your devices.(Tip: Just make sure the sizer doesn't cover the sensors or charging port. As long as those are left clear, the ring will function normally.)

• 3 Material & 3 Colors: Choose the right size for your needs, 0.8mmW Transparent (Acrylic) for minor looseness (nearly invisible). Black (EVA)/White (Silicone) Tone for moderate looseness (secure grip). The low-profile design sits discreetly inside your ring, keeping the original sleek look without adding bulk.

• Non-slip Material Technology: Engineered with a non-slip material that creates a snug fit between the ring and your finger, preventing shifting or sliding during workouts, daily activities, or sleep. Keeps your smart ring in optimal position for accurate health tracking.You can trim it to the desired length to fit your smart ring, ensuring more accurate data.

• Low-Profile Design: These sizers feature a slim, low-profile build that fits discreetly inside your ring. They won't alter the look of your smart ring or add any noticeable bulk. Nearly invisible once in place, they keep your device looking just as sleek and stylish as before.

• Easy to Use – Just peel, press, and it's set. The simple peel-and-press installation gives you a secure fit for your Oura Ring Gen 4 spacer—no tools, no fuss. This budget-friendly spacer solution saves you the cost and hassle of an expensive ring exchange. Each set comes with a storage box and a cleaning cloth. Quick tip: wipe your ring with the cloth before applying the sizer—it helps the spacer stay in place and gives you a much better fit.