Feature:1. Elegant Design: The smart ring has excellent appearance and hardware. Featuring a minimalist design and a stainless steel inner ring, it outperforms conventional wearable devices.2. Comprehensive Sleep Analysis: By analyzing sleep efficiency, latency, time, stages, movements, and temperature, this ring provides a comprehensive understanding of sleep behavior and body condition. The sleep tracking feature makes it an ideal health companion.3. Boost Your Fitness: Experience a diverse range of indoor and outdoor activities through the smart ring application. Simply wear the ring to effortlessly track steps, distance, calories, and pace. Analyze map routes and detailed exercise data to enhance your performance and push beyond your limits.4. Smartphone Camera Remote Control: The ring doubles as a remote shutter release, allowing you to take selfies or group photos without needing assistance. Even when you're alone, you can record perfect shots with ease.5. All Day Monitoring: This smart ring utilizes energy saving technology to ensure continuous monitoring for 3 to 5 days without the need for charging. Made with polished aluminum titanium alloy for durability and medical grade 316L stainless steel for comfort, it is also waterproof with an IP68 rating to guarantee longevity.6. Comes with an APP: The smart health ring's tracking data can be viewed for free on a mobile application, without any subscription fees. This device supports for Android 6.0 and for iOS 11.0 and above.Specification:Item Type: Smart Health RingMaterial: Aluminum titanium alloy, stainless steelWeight: Approx. 75g/2.6ozBattery: 18mAh polymer lithium ion battery (built in)Bluetooth Version: BT 5.1Working Time: 3 to 5 daysCharging Time: 0.5HWaterproof Level: IP68Charger Requirement: Charged by 1A or below 1A chargerAPP: for Nx RING (Download from for Android or for iOS store or Scan the QR Code in the Manual)System Requirement:for Android: 6.0 or abovefor iOS: 11.0 or higherFunctions: Temperature detection, camera remote, multiple sports modes, sleep monitoring, step counter, data sync to APK APP, etc..Package List:1 x Smart Ring1 x USB Cable1 x User Manual