Smart Ring Chargers & Accessories

Experience secure, flawless ring fit with the SmartRing kit. Each sheet has 20 clear 6x20 mm strips to resize loose rings invisibly, with soft, skin-friendly silicone for all-day comfort on smart tech and fashion rings. Easy to cut and apply, durable and long-lasting.

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.

Effortless charging for your Oura Ring 4 with a dedicated dock and USB-C cable. Compact, portable, size-specific fit, and fast charging that powers most rings back in under an hour, so you stay on track all day.

BandRain offers ultra-thin silicone ring covers to protect your Oura Ring Gen 4/3 from scratches while staying barely noticeable. This 15-pack includes varied colors, supports charging with the cover, and cleans easily for everyday wear.

Experience precise, confident sizing with a marketing-forward tool that delivers a perfect fit for your smart ring. Built from durable ABS and resin, it guides measurements from 4 to 15 for all ages, and helps reduce returns by ensuring the right fit.

YWXTW invisible ring size adjusters keep your Oura and smart rings secure during workouts and daily wear. 1:1 fit, waterproof and sweat-resistant, with easy cutting to 0.5–2 sizes. Includes 120 pieces for long-lasting use and secure, accurate monitoring.

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.

BandRain Ultra-Thin Covers provide elastic, anti-scratch silicone protection for Oura Ring Gen 3 and Gen 4. This 4-pack fits ULTRAHUMAN Ring AIR and other smart rings, offering safe edge protection while remaining comfortable for both women and men.

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.

Compact, pocket-sized charging case for Ou-ra Ring Gen3 (Size 11). Protects against dust and scratches while delivering fast wireless charging, USB-C recharging, and smart shut-off. Get a rapid top-up in minutes and up to a week of use between charges.

Protect and elevate your RingConn Gen 2 and Gen 2 Air with a 4-pack of daisy-inspired silicone ring covers. Floral engraving adds style, while flexible, snug silicone guards against wear during workouts and daily use, preserving comfort and ring feel.

BUFFR Silicone Ring Protector keeps rings secure during workouts, allowing you to train with confidence. This three-pack in Light Pink, White, and Blue fits a wide range of sizes, with soft, anti-slip silicone for comfort and reliable protection.

The YWXTW Ring Size Adjuster delivers a secure, feather-light fit for your Oura Ring and compatible models. It offers oil resistance, anti-fingerprint coating, waterproof durability, a discreet thinner side, and a simple install with clear instructions and included accessories.

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.

Elevate your charging with a magnetic snap-on cable designed for smart ring users. It delivers secure, fast power delivery, a compact travel-friendly form, and reliable charging for 4.0mm round port rings, minimizing disconnections and keeping you powered on the go.

Experience a smarter, stress-free way to find your perfect Herz ring size—test multiple sizes at home, wear throughout the day, and order the P1 with the right fit every time. Compact, reusable, and ideal for gifting.

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.

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.

Ringguard's Smart Ring Cover provides an elastic silicone shield that resists scratches and daily wear. Lightweight, flexible, and easy to snap on, it protects your ring while preserving touch sensitivity and style during everyday activities.

Protect your smart ring with a lightweight silicone sleeve designed for daily wear and workouts. Six colors—Black, Dark Blue, Light Grey—fit 8/9 sizes with a snug, slip-free finish, scratch-resistant coating, easy cleaning, and reusable protection.

ArcX is a waterproof, glove-friendly smart ring controller that puts music, calls and device controls at your fingertips. Use it while running, cycling, skiing, or outdoors, with two wearing options and a one-tap SOS with GPS sharing for safety.

Effortless solution to loose rings. Four discreet sheets slip inside your ring to create a snug, comfortable fit without changing its appearance. Works with most rings for men and women, in four color options for blending with any style.

Portable, fast-charging dock compatible with OR Gen-3 Size 12 charger. Includes USB-C cable and user manual. Built-in safety features protect your smart ring during charging, keeping it secure on the compact dock for travel.

Keep your Oura Ring Gen3 powered with a sleek, reliable charging dock. Its compact, travel-friendly design includes a 20-inch USB-C cable, easy one-step setup, and a secure cradle to hold the ring in place for daily wear and gifting.