Functions: *Full-day activity tracking: steps, calories burned, mileage. *Heart rate, Blood Pressure *Sleep monitoring (sleep time, sleep quality) *Sport mode: Running, Sit-up, Skippiong rope *Intelligent reminder: Call reminder, information push, sedentary reminder *Message reminder:Twitter message, Whatsapp message, Facebook message, Instagram message, SMS *More functions: Find bracelet, Alarm reminder, remote camera, Raise your hand to brighten, Music control, Weather Specifications: APP:Fitpro Compatible systems: Android 5.0 (above), IOS8.0 (inclusive) and above Screen size: 0.96 inches Bluetooth: Bluetooth 4.0 Charging method: magnetic charging Waterproof rating: IP67 Charging time: about 2H Life time: Use 2-3 days, standby 5 days Wristband size: total length 250MM, adjustable length 120-200MM Appearance Material: Body: Plastic Wristband: Thermoplastic Elastomer + Stainless Steel APP Supports languages: English, French, German, Russian, Spanish, Japanese, Portuguese,Netherland, Poland Language supported by news content: Chinese, English Package Included: 1*Smart Bracelet 1* Charging cable 1*User manual Tips: When you receive the watch, please charge the watch for two hours first, because the long-distance transportation battery is exhausted, please pay attention to the correct use of the charger. Please read the user manual before connecting the mobile phone, and download the APP using the instructions in the user manual. Please note that other APPs may be incompatible with the watch, resulting in failure to connect to the watch.