Brand - Haylou, Model - Haylou GS, Watch Size - 44mm, Cellular Network - No, Dial Shape - Round, Display Size - 1.28 Inch, Display Type - TFT display, Display Resolution - 240 x 240, Display Protection - 2.5D Curved glass, Camera - No, Loudspeaker - No, Microphone - No, Sport Modes - 12 Workout Modes, Waterproof - Yes, Waterproof Rating/Level - IP68, Water Resistant - Yes, Dustproof - No, Blood Pressure - No, Blood Oxygen - Yes, Heart Rate - Yes, Sensors - Heart rate sensor, motion sensor, blood oxygen sensor, Electrical Heart Sensor (ECG App) - No, Optical Heart Sensor - No, Activity Tracker - Yes, Button - 1, Wi-Fi - No, Bluetooth - Yes, Bluetooth Version - Bluetooth V5.0, GPS - No, Connectivity - Bluetooth, Battery - 220mAh, Working Temperature - -0 Degree C - 45 Degree C, Body Color - Black, Band Color - Black, OS & Version - Android & iOS, Watch Dimension - 44.4 x 43 x 11.7mm, Weight - 38 gm (with strap), Others - Strap width: 22mm, Battery life: Approx. 7 days (24-hour heart rate monitoring), System requirements: Android 6.0 or IOS 11.0 and above, Synced data platformp: Haylou Fun., Features - Health: Heart rate monitoring, SpO2 tracking: The SpO2 feature is not intended for diagnosis, prevention, monitoring, prediction, prognosis of any disease, investigation of physiological processes or any other medical purpose. All data and tracking should be used for well-being and personal reference only. If you feel uncomfortable, please rely on professional medical devices or consult a doctor for assistance. Sleep tracking (deep sleep, light sleep, REM and naps), Sleep tracking (deep sleep, light sleep, REM and naps). Female health tracking: This feature should not be used or relied on for any medical purposes. It may not accurately predict your menstrual cycles or related information. All data and tracking should be used for personal reference only. Stress monitoring, breathing exercises PAI (Personal Activity Intelligence. Fitness: 5 auto detection modes: outdoor running, walking, treadmill, rowing machine, elliptical. VO2 max, Training effect, Training load, Recovery duration., Part No - LS09A, Warranty - 6 Month (Warranty must be claimed with original box & all accessories), Country of Origin - China, Made in/ Assemble - China