Specifications:Compatible systems: Android 5.0 (above), IOS8.0 (inclusive) and aboveScreen size: 0.96 inchesBluetooth: Bluetooth 4.0Capacity: 80mAhCharging method: USBWaterproof rating: IP67Charging time: about 2HLife time: Use 2-3 days, standby 5 daysWristband size: total length 250MM, adjustable length 120-200MMAppearance Material: Body: Plastic Wristband: Thermoplastic Elastomer + Stainless SteelAPP Supports languages: English, French, German, Russian, Spanish, Japanese, Portuguese,Netherland, PolandLanguage supported by news content: Chinese, EnglishFeatures*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, Weatherpackage include1 x Smart Watch1 x USB Charger Cable1 x User Manual

Thank you for your attention, We guarantee the quality of our products.Have a nice day!