BUFFR Smart Ring Protector Silicone Cover Size 5

BUFFR SMART Ring Protector is a slim silicone cover that clips onto smart rings like Oura, Ultrahuman and RingConn to shield sensors and metal from bumps, scratches and everyday wear.

Designed for people who wear smart rings during active days, this lightweight silicone guard preserves your ring’s finish without blocking sensors or adding bulk. The Size 5 white Buffr slips over compatible smart rings and stays secure thanks to a hook-on fit, letting you keep tracking and look after your device whether you’re working out, on the job, or at the keyboard.

Will Buffr block my ring’s sensors or tracking?

No—Buffr is engineered to be sensor-friendly. The slim profile and precision fit maintain close skin contact for accurate readings while offering a buffer against knocks and abrasion.

• Ultra-thin silicone around sensor areas to avoid interference
• Designed for Oura, Ultrahuman, RingConn and similar rings
• Maintains skin contact required for heart-rate and sleep metrics

How secure is the hook-on fit during exercise and daily tasks?

The hook-on design locks into your ring’s band so the cover resists sliding and twisting. It’s made to stay put through lifting, typing, cooking, and moderate impact activities without needing constant adjustment.

• Non-slip hook edges that cling to the ring interior
• Flexible yet firm silicone that flexes during movement
• Stays in place through workouts and manual work

Is the material comfortable for all-day wear and safe for skin?

Buffr uses lightweight, skin-safe silicone that cushions the ring while remaining breathable and soft. The material minimizes irritation and keeps the ring comfortable for continuous daily use.

• Hypoallergenic silicone suitable for extended wear
• Soft edges that prevent chafing under the finger
• Easy to clean and rinse after sweaty sessions or chores

How do I choose the right size and put Buffr on my ring?

Pick the Buffr size that matches your smart ring number (this listing is Size 5). Installation is quick: hook the cover’s inner rim to the ring and press around the band until it seats securely.

• Available in sizes 4–14 to match common smart ring sizes
• Slip-on hook design for fast on/off without tools
• White finish offers a clean look while protecting metal

Who is this for: Buffr is built for smart-ring wearers who want to protect their devices without sacrificing function. If you exercise regularly, work with your hands, or simply want to avoid dings and scratches while still tracking health and sleep, the BUFFR SMART Ring Protector (White, Size 5) provides discreet, comfortable coverage that fits into an active lifestyle.