Feature: 1. ELEGANT DESIGN: The smart ring outperforms conventional wearable devices with its minimalist design and stainless steel inner ring. It has excellent appearance and hardware. 2. COMPREHENSIVE SLEEP ANALYSIS: Through analyzing sleep efficiency, latency, time, stages, movement, body temperature, etc., the smart ring offers a comprehensive understanding of sleep behavior and physical condition. It is your ideal health partner. 3. MULTI FUNCTIONAL: Experience a diversity of sports activities indoor and outdoor with the smart ring application. Just by wearing the smart ring, you can easily track steps, distance, calories, and pacing. Detailed workout data and map tracking help improve your performance and go beyond your limits. 4. REMOTE CAMERA CONTROL: This compact ring can act as a remote shutter release, allowing you to take selfies or group photos without any assistance. Even when alone, you can swiftly catch perfect shots. It can also be used for video scrolling, page turning, and music switching. 5. WATERPROOF AND DURABLE: Crafted from polished titanium alloy and 316 stainless steel, promising durability and comfort. The ring is sweatproof, waterproof with an IP68 rating. Perfect for you to stay healthy, energized and balanced and adopt a better life style! Specification: Item Type: Smart Ring Material: Aluminum Titanium Alloy + Stainless Steel Ring Battery: Built in 18mAh Polymer Lithium ion Battery Charging Case Battery: Built in 300mAh Polymer Lithium ion Battery Bluetooth Version: BT5.1 Working Time: 3-5 days Charging Time: 1 hour Waterproof Level: IP68 Charger Specifications: 1A or below 1A App: for Nx RING (Download from for Android, for iOS Store or scan the QR code in the manual) System Requirement: For Android: 6.0 or above For iOS: 11.0 or higher Features: Temperature Detection, Remote Camera Control, Various Sports Modes, Sleep Monitoring (Sleep Time, Sleep Quality), Step Count, Data Sync to APK APP and more functionalities. Package List: 1 x Smart Ring 1 x USB Cable 1 x User Manual 1 x Charging Case