Cool Smart Ring Health + Base Powerbank (Health, Sport, Sleep) Size 21mm

Smart Ring Cool Health. Elegance and precision. We present this Cool Health Smart Ring, made of ultra-resistant pure steel. Finished in black with silver sides. Elegance made technology. Grab the latest technological advancement in the Wearables range. It performs the measurement functions of a smartwatch, but with the comfort of an ergonomic ring, almost inappreciable. Includes magnetic charger base box. It can also be charged with the included USB magnetic cable. What's in the box: - Cool Health Smart Ring (Diameter 21mm) - USB Charging Cable: Magnetic. - Charging base box (powerbank) - Multi-language manual (Spanish, Portuguese and English) Functions: - Measuring steps, distance traveled, calories consumed. - Heart rate measurement (24/7) - Sleep measurement (24/7) - Blood oxygen measurement (24/7). - Possibility to set daily goals (steps, distance, calories...) - Multiple sport modes: specific games and sports to burn calories. - Waterproof (submersible) Specifications: - iOS/Android compatibility - 3 sizes available: 20mm, 21mm and 22mm (ring diameter) - Multiple sports modes: games and kinesthetic sports to burn calories. - Waterproof: 5 ATM (50 m waterproof). - APP: CyFit - Battery Life Ring: 20 mAh (up to 5-7 days) + 8 extra charges with Powerbank. - Ring dimensions: 7 mm (width) x 2.3 mm (thickness) x 21 mm (diameter). - Powerbank charging base: 300 mAh (approximately). 8 extra charges). Measurements: 40 mm x 40 mm x 20 mm - Measurements (sleep, blood oxygen and heart rate): monitoring 24 hours a day. - Compatible with Apple Health.