Knauermann Pro 2 (2023), black, 14 24, Metal bracelet

Osram sensor generation (pulse, blood pressure, blood oxygen): +14% spectral range and 7x Fresnel lens for the first time for the highest accuracy New & improved health features: sleep apnea alarm, Lorenz diagram for early disease detection (long-term HRV), female cycle, new sleep function (REM phases, shift work) Artificial intelligence detects heart disease. The built-in ECG "Max86176" from Maxim Integrated (USA) has 3 ECG electrodes with 512 Hertz sampling rate for the finest recording at clinical level. Battery life 5-10 days, 3.7 V/850 mWh lithium battery, charging by included quick charging cable (approx. 1.5 hours) International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.