Smart Ring Chargers & Accessories

The Luna Smart Ring Gen 2.0 Sizing Kit provides a precise, stress-free way to determine your ideal ring size before purchase. It covers sizes 6–12 (size 15 for guidance) and uses a lightweight replica for accurate mock fittings.

ShieldFit Silicone Ring Protector shields your smart rings during workouts and daily activities with a soft, flexible sleeve that guards against scratches and impacts. Skin-friendly, hypoallergenic, low-profile, stretchy, easy to clean, and compatible with many smart rings on the market.

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.

Discover the perfect fit before purchasing with the Samsung Galaxy Ring Sizing Kit. Includes 9 sample rings, a $10 credit toward future Galaxy Ring purchases, and a simple, quick sizing process for any finger.

Give the gift of health with a seamless sizing kit to determine the right size and finish for the Oura Ring 4. Simple steps, wearable sizers, and a final titanium ring, with a 24-hour wear test for the perfect, confident fit.

The Oura Ring 4 Sizing Kit helps you find your perfect fit before purchase. It guides quick, accurate sizing so you can wear comfortably from day one, try different sizes, and feel confident your ring sits securely on your finger.

A compact, portable charging case with magnetic USB-C power for quick recharging on the go. Fast, efficient charging with an at-a-glance indicator, pocket-friendly protection, and a built-in 590mAh battery to extend RingConn use between charges.

Meet the Ultrahuman Ring AIR Charger, a compact, sleek dock that powers your smart ring with minimal effort. Wireless charging fits into daily routines, auto-starts when the ring rests, and its size-specific design ensures reliable charging on the go.

Introducing the RingConn Gen 2 Sizing Kit, your first step to a precise fit before buying. Size 6 to 14 options let you compare comfort, swap sizes easily, and select the perfect RingConn Gen 2 Smart Ring size with confidence.

The dedicated charging dock provides reliable, on-demand charging for your Oura Ring Gen3. Size-specific fit, USB-C cable, and a full charge in about 60–80 minutes make daily wear effortless and ready.

Pidynx Smart Ring Silicone Protective Cover delivers 360° protection for RingConn Gen2 and Gen2 Air with waterproof, sweatproof, and lightweight breathable silicone. Eight colors, three sizes, and easy replacement keep your ring safe without sacrificing comfort or touch control.

Sizing Kit helps you choose the perfect RingConn smart ring by sizing first. It includes 9 sizes from 6 to 14 and works exclusively with RingConn Gen 2 Air. Determine your fit before purchasing the RingConn Smart Ring.

A featherlight sizing kit that makes ring fit effortless, enabling precise fingertip biomarker readings for sleep, recovery, and overall wellness, with an ultra-thin, durable design you can wear daily and order your correct Ultrahuman Smart Ring size.

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.

Smart Fitness blends style with function to support healthy living. Remotely control your phone camera, track steps, activity, and sleep, and get personalized insights. Lightweight, premium materials suit daily wear and workouts, making it an ideal gift.

The Pupvus 10 Pack Cover provides near-invisible protection for Ultrahuman Ring Air, keeping daily wear pristine. Ultra-thin, scratch-resistant film preserves the ring’s color and shine while offering bubble-free, secure adhesion and easy removal for everyday use.

AuraFit Smart Ring Sizing Kit includes rings 4–15 and a finger measuring tool to test fit during daily activities and sleep. Simulates real ring dimensions for comfort and reliable sensor data across wearable rings.

Effortless charging for your Ou-ra Ring Gen 4 with this sleek, pocket-ready dock. Designed for fast, safe power on the go—office, travel, or more. Just place your ring on the dock to recharge; USB-C cable included for convenience.

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.

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.

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.

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.

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.

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.