Specifications:Body Dimension:47mm, Thickness=11.4mm - Band Dimension:Width=22mm,Unfolded length263mmweight:52g (Including strap)Material:Metal+PC/ABS+ silicone - Display:1.3inch Amoled HD display - Battery Capacity:350m - Ah(4.5 hours to be fullycharged)standby:Daily mode 14-day, Basic mode60-day - Charge:Magnetic Charging cable - Bluetooth Version:v5.0Sensor:PPG Heart Rate,Bloodoxygen,Acc sensorwater & Dust Proof:5ATMOperation Temperature -20°°C~45°CProduct introduction:Customize Your Ownwatch Face:Customize a watch face to match your mood,style, or interest. - Have infinite fun from a dynamic watch face.38 Sport Modes comprise:both outdoor and indoor exercises. - Indoor sports : yoga, sit-ups, rope skipping...burning calories;Outdoor sports: mountain climbing, triathlon, roller skating,rock climbing, skateboarding, parkour.. Enjoy sports and challenge yourself. - An exclusive exercise report can be generated to witness every step of your success. - Long battery life:ensures two-week usageon after a single charge.5ATM waterproof:an easy lite with challenge unlimited discoveries. - No need to take off in shower or swimming,a worry-free wear for you. - It brings you a healthy lifewith all-round protection:24-hour heart rate monitoringto hear what your heart “says” Support three early warning modes of exercise, resting and sleep, with timely warning for any potential problem. - All-round sleep monitoring,with sleep hours recorded:It knows how well you sleep. - Body pressure monitoring to help you relax:Breathing, relaxing and deep breathing, all stress is gone. - Chat,SMS, incoming call, weather,alarm clock and other app information prevents you frommissing anything important.lt keeps you well-informed of your health:lt is perfectly matched with “Mibro Fit” APP to record all your body data in real time. - Packing includes:1 X Mibro X1 Smart Watch