Features:[BT Call]With built-in dialpad, you can enjoy independent BT call directly via the watch. Siri dialing is supported and 1000contatcs can be synced and stored on it. [Local Music Player]Three music modes are available, including watch music, moible phone musica and BT earphone. Support massive storage and independent playback of local music with high-fidelity stereo sound. [Health Monitor]Provide 24-hour auto body temperature monitoring and accurately record your heart rate, blood pressure, blood oxygen and sleep data, helping you adjust yourself for a healthier lifestyle. [Long Standby]Adopting ultra-low power consumption chip and large capacity battery, A20 Pro offers long-lasting battery life, getting rid of power troubles.[Smart Split Screen Task]Slide the main interface and it will display frequently-used applications, SOS and alarm clock in recent. Directly enter the split mode, access to apps freely. [Creative Features]Intelligent encryption better protects data well. Entertainment games help you release stress after work. One-click recording brings great convenience in life. [Fitness Activity Tracker]A20 Pro presets 8 exercise modes, and intelligently records the steps, heart rate, distance and calories under exercise whether indoor or outdoor. [Smart Reminder]After connected to the phone, it will provide synchronous display of message, call or social APP to remind you of important information.[User-Defined Watch Faces]Multiple stylish dials and three dynamic menu styles can be switched at will to match your different styles. [More functions]Weather, SOS, Calculator, Alarm clock, Stopwatch, Sedentary reminder, Remote camera, Find phone, Brightness adjustment, etc.Parameters:Screen: 1.69 Full-touch Screen BT: 5.0, compatible with BT 3.0Chip: IS2806Compatibility: Android 4.4 and above or iOS 8.4 and aboveBattery Capacity: 230mAhWorking Time: 5-7 days Standby Time: 15 days App: V BandWatch Language: Chinese, Traditional, English, Spanish, Portuguese, Japanese, French, German, Russian, Polish, Persian, Thai, Malay, Turkish, Italian, Arabic, VietnameseApp Language: Chinese, Traditional, English, Japanese, French, German, Russian, Korean, Greek, Italian, Portuguese, Arabic, Spanish, Persian, Thai, Turkish, VietnameseSpecifications:Model: A20 PROCase Material: MetalStrap Material: Silicone Color: Black / Gun Color (O ptional)Water-Resistant Level: IP67Dial Size: 45 36mmDial Thickness: 11.3mmStrap Width: 20mm Item Weight: 54g / 1.9ozPackage Size: 16.6 7.2 3cm / 6.54 2.83 1.18in Package Weight: 151g / 5.33ozNote: Please read the user manual carefully before using this product. There may be 1-3mm error due to manual measurement. There may be slight difference in color due to shooting angle and light. Please refer to the real object.Package List:1 Smart Watch1 Charging Cable1 User Manual (English, German, French, Japanese, Spanish, Chinese)