Sigma Ring

Sigma Ring — a smart ring that helps you understand your body better. Every day, your body sends signals about sleep, energy, stress, and recovery. Sigma Ring collects these signals and turns them into clear insights so you can live smarter and feel better. What Sigma Ring can do: - Track your sleep — duration, depth, and recovery quality - Monitor energy levels and get timely recommendations to slow down or act faster - Measure heart rate and respiration 24/7 to detect stress early - Track SpO₂ and HRV to understand your body’s balance - Monitor skin temperature trends for better health insights - Support women’s health and natural cycles - Record steps, activity, and calories burned - 5 ATM water resistance — safe for shower and swimming - Up to 7 days battery life, fully charged in under an hour Minimalist design made with premium materials. This app is built exclusively for Sigma Ring early preorder Join the first users’ club and get: - Free worldwide shipping; - Extended warranty — 1.5 years; - 5% cashback on repeat purchases; - Exclusive price — $600 $400 Sigma Ring — your daily companion for a smarter, healthier you