Charging Case Compatible with Oura Ring 4 Size 10 Portable Charger Aerospace Aluminum Unibody, Pocket-Sized Elegant Design, Smart Charging Protection, Up to a Month of Battery

Crafted from a single block of aerospace-grade aluminum alloy through precision CNC machining, the case delivers a refined metal touch, solid in-hand feel, and a truly premium look. Inside, the soft TPU lining gently cradles and protects your ring from scratches and bumps during everyday carry. The built-in 600mAh battery provides up to 6 full ring recharges and extends ring usage for up to 30 days on the go. Designed exclusively for Oura Ring 4 (alloy and ceramic versions), each case is tailored to a specific ring size. Simply select the same size as your ring for a precise, secure fit, stable charging contact, and effortless daily use.

Engineered for safety, the case features multiple built-in protections against short circuit, over-current, over-voltage, under-voltage, and overload. A clear LED power indicator lets you check remaining battery at a glance. Measuring just 2.22 × 2.25 × 0.77 and weighing only 70g, this minimalist case slips easily into your pocket, purse, or carry-on. Its slim, refined silhouette is designed for true portability powerful backup charging that never feels bulky in your daily life or travels