Feature:1. [Stylish Bluetooth Ring] Elevate your look with this stylish and advanced smart ring. Its minimalist design and stainless steel construction set it apart from traditional wearables. Compatible with for iOS and for Android, seamlessly syncs with for IOS Health.2. [Sleep Index Monitoring] Track your deep sleep, REM sleep, light sleep, and awake phases to understand your body metabolic processes during sleep. The smart ring is your ideal health companion for comprehensive sleep tracking and body status analysis.3. [Smart Health Tracker] Experience a variety of indoor and outdoor activities through the smart ring APP. Track your steps, distance, calories, and pace effortlessly. Analyze map pathway tracking and detailed exercise data to enhance your performance and push your limits.4. [All Day Monitoring] With energy saving technology, the smart ring ensures long term continuous monitoring without the need for charging. Made of polished stainless steel, it is lightweight, non allergenic, water resistant, and sweat resistant. From workouts to night outs, it offers comfortable and accurate health monitoring.5. [Smartphone Camera Remote] Utilize this compact ring as a remote shutter release, allowing you to take selfies or group photos effortlessly. Catch memorable moments anytime, anywhere with ease.Specification:Item Type: Smart RingMaterial: Stainless SteelRing Battery: Lithium Polymer Battery (Built in) Capacity: 18mAhSize: China 8# (US Size 8, UK Size Q, Japan Size 16, Germany Size 18, France Size 56.5, Switzerland Size 16.5)Inner Diameter: Approx. 18.1mm / 0.71inCircumference: Approx. 56.9mm / 2.24inBluetooth Version: BT5.1Working Time: 5-7 DaysCharging Time: 1HIP Rating: IP68Charger Requirement: Charge 1A or BelowAPP: for Q Ring (Download from for Android or for IOS Store or Scan QR Code from Manual)System Requirement: for Android: 5.1 or above for iOS: 8 or higherFeatures: Remote Camera Control, Multiple Sports Modes, Sleep Monitoring (Sleep Time, Sleep Quality), Step Count, Sync Data with for IOS Health, APP etc.Supported Languages: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay.Package List:1 x Smart Ring1 x Charging Cable1 x User Manual