1. Electronic products are shipped internationally. Please charge this product for 2 hours before first use.2. If there is any problem with the operation or function of the product, please read the manual carefully. The manual will help you solve most problems.Features:1. Exercise record:Step counting, exercise time, exercise mode (sit-ups, running, cycling, badminton, table tennis, tennis, skipping rope, basketball), exercise mileage, calorie consumption2. Health monitoring:Real-time heart rate measurement (dynamic, static), blood pressure, blood oxygen measurement, sleep mode3. Smart reminder:Sedentary reminder, call reminder, message push (SMS/QQ/WeChat/Skype/Facebook/Twiter/Line/WhatsApp)4.Premium DesignHD color touchscreen and an aesthetic designed, skin-friendly strap make the watch even more remarkable.5.IP67 WaterproofWith IP67 waterproof, now you can wash hands, run in the rain and recover in the cold shower with this device on your wrist.6.Advanced Power-Saving Technologyadvanced Power-Saving technology enables you to see more using less power and enjoy an up to 2 weeks of battery life.7. Other functions:Dialing, contacts, do not disturb mode, find bracelet, remote photography, music control, stopwatch, alarm, device reset, device unbinding, dual mode switchingBracelet firmware language: EnglishBracelet support language: "Simplified Chinese, English, Dutch, Russian, French, German, Portuguese, Spanish, Turkish, Polish, Thai"BT Version: V5.2.Battery Capacity: 180mAh.Battery Type: Lithium polymer battery.Watch Size: 49*43*13.5mm.Material: ABS/PC/TPU.Waterproof: IP67waterproof