Smart Ring Chargers & Accessories

Experience all-day comfort with our invisible silicone ring sizer set. It securely adapts to your rings, uses skin-friendly material, and is waterproof for workouts and daily activities. Includes 20 pieces to maintain a perfect fit across varied finger sizes.

Discover your perfect ring fit with the JANGJANG Sizing Kit for Oura. This precise finger measuring tool covers sizes 4–15 in a sleek white kit, delivering accurate, comfortable sizing and confidence in your Oura Ring purchases.

Grcfumo 8-Pcs Smart Rings Sizing Kit helps you find the perfect ring size with a simple, reliable measurement. Covers sizes 6 through 13, supports all fingers, and avoids half-size guesswork for comfortable, accurate wear.

Meet the Smart Ring Charger, the fast-charging companion for Ou-ra Ring 4. This compact dock includes a USB-C cable, easy setup, and LED indicators so you know when charging is complete. Portable and practical for daily use.

Meet the portable Smart Ring Charging Case designed for Ou-ra Ring Gen3. Sized for 9, it delivers fast, reliable charging on the go, protects against dust and scratches, and includes a USB-C cable for easy compatibility with modern devices.

Unaqo delivers a streamlined charging experience for your Oura Ring Gen 4, Size 9. This compact, durable dock charges quickly, fits easily into travel bags or nightstands, and includes everything you need to keep your ring powered on the go.

Discover precise finger sizing for Oura Ring Gen 4 with the Mikovivi Smart Ring Sizing Kit. Includes US/EU/UK tapes, durable PP construction, and portable design for accurate pre-purchase measurements at home or on the go.

Protect Ultrahuman Ring Air with this 4-pack flower ring cover set. Made from soft, anti-scratch silicone, each piece features a delicate floral engraving to guard edges while adding feminine style for everyday wear.

Protect your rings during workouts with Buffr silicone protectors that guard against theft and damage. This three-pack in charcoal, white, and gray stays securely in place with a comfortable, anti-slip fit for gym, yoga, running, or weightlifting.

Discover the AMOVAN Smart Ring Sizing Kit for precise, hassle-free ring measurements. This compact tool helps you find the right size before buying, ensuring daily comfort and a confident, perfect fit for smart wearables.

SZJCLTD 160-piece invisible sizing kit fits Oura Ring Gen 4/3, Galaxy Ring, and Ultrahuman Ring AIR. Includes 8 sheets in black, nude, and clear for 15–20mm sizes. Soft TPU, residue-free adhesive, invisible inside the ring, easy to apply.

Protect your premium investment with medical-grade silicone ring covers that absorb shocks during workouts and travel. Ultra-lightweight, bulk-free fit preserves sensor accuracy, with a 10-pack of colors and a free storage case for easy organization.

Buffr Silicone Ring Protector shields your rings during workouts, lifting, running, and classes. Keep fashion and fine jewelry safe without removing them, with a comfortable, durable silicone grip. Purple, flexible, and available in multiple sizes for a snug, protective fit.

Gwenland Smart Ring Sizer helps you find the right fit before buying. It offers eight sizes to match your finger shape for comfort and accuracy, improves measurement precision, and pairs with the companion app for easy setup and tracking.