Smart Ring 1.0 for Men/Women, No Subsripition Fee, 7-8 Days Battery Life, HRV/Stress Monitoring/Sleep Track/Fitness for iOS and Android (Gloss Black, 6)

[Precise Fit, Measure First] This product uses a unique sizing system, different from standard ring sizes. [AI Health Insight] The Smart Health Ring employs AI-powered multi-sensor fusion technology to consistently track essential health metrics including sleep quality, heart rate variability, stress levels, blood oxygen saturation, physical activity, and menstrual cycles. Its integrated AI health assistant utilizes deep learning analysis to provide personalized health reports and practical insights, helping you enhance wellness and daily routines with scientific accuracy. No subscription feesjust ongoing real-time health monitoring, AI-powered insights, and personalized advice, always within reach. [7-8 Days Long-Lasting Battery] A single 60-minute quick charge provides the device with up to 7-8 days of continuous operation. Forget about frequent rechargingwhether traveling, working late, or adventuring outdoors, maintain consistent and thorough health tracking, regardless of a busy schedule. [All-Scenario Waterproofing] It features an IP68 rating (tested to 100m/328ft depth), offering resistance to daily splashes, showers, rain, and activities like swimming, surfing, or diving. Its completely sealed, robust construction prevents water entry, delivering dependable performance year after year