Features: 1.1.69", 240*280, fully fit and full touch screen 2. APP main functions: step counting, heart rate data synchronization APP, exercise, sleep, history, alarm setting, exercise goal setting, 3. The main functions of the bracelet: dial, exercise heart rate/rest heart rate detection, exercise, sleep detection, blood pressure, incoming call/message content push, information reminder: APP has a function enable switch (incoming call, SMS, Wechat, QQ, Facebook, Twitter, LinkedIn, WhatsApp, Line, Instagram, Snapchat, Skype and other mobile phone applications) and event information reminders such as sedentary, alarm clock, drinking water, medication, etc., alarm clock, taking pictures, raising the wrist to brighten the screen, system switching, sedentary reminding, Stopwatch, Find the phone, adjust the brightness of the bracelet, adjust the duration of the bracelet on the screen, touch control, 4. The bracelet supports languages: English, Chinese, Spanish, Portuguese, German, French, Russian, Italian, Thai, Dutch, Czech, Turkish, Malaysian, Slovak, Polish, Japanese 5. APP support languages: Chinese, English, Chinese [Traditional], Japanese, Korean, French, German, Russian, Polish, Spanish, Portuguese, Dutch, Arabic, Czech, Greek, Hindi, Hungary, Italy , Slovakia, Turkey, Thai, Croatian 6.Bluetooth: 5.0 7. Support mobile phone version: iOS 9.0 and above Android 5.0 and above Specification: Battery: Polymer 220 mAh Bottom shell: ABS+PC Front shell: aluminum alloy, glass Body size: (length) 44mm x (width) 38mm x (thickness) 10mm Packing list: Smart watch*1 Charging cable*1 User manual*1 Original retail box*1