A8 1.98 inch 2 in 1 Bluetooth Earphone Silicone Strap Smart Watch, Support ECG / NFC(Black)

1. Hardware configuration:CPU: Realtek8762DVRAM (Random Access Memory): BK3266ROM (Read Only Memory): 128KBHeart rate sensor: 3301Accelerometer: SC7A20Bluetooth: 5.0Display: 1.5-inch 172x320 IPS displayVibration motor: 15000+/2500rpmTouch: full screenBattery: 160mAhCharging interface: 2 Pin magnetic interfaceHandset: 1207 waterproof handsetMIC: 0415 waterproof MIC2. Basic functions: support device information, brightness adjustment, NFC electronic tag, flashlight, raise wrist to light up the screen, find phone, restore factory settings, do not disturb mode, display time3. Call:Support Bluetooth calls, with dial pad to make callsVoice assistant: support, long press the button to enterWatch phone book: can synchronize 100 contacts to the watchCall history: support 10 call history4. Health management:Exercise monitoring: record daily steps, exercise distance, calories burnedSleep monitoring: automatically monitor sleep, wake-up time and sleep qualityHeart rate detection: supportBlood pressure and blood oxygen detection: supportBreathing exercise: supportExercise mode: support 98 exercise modesECG detection: support5. Reminder settings: alarm, sedentary reminder, target reminder6. Information push:Incoming call: support call rejection, automatic answering by taking out the earphonesSMS: watch displays mobile phone push SMS and application messagesSocial: QQ/Email/facebook/twitter/whatsapp/line/skype/WeChat, etc.7. Application functions: support instant change, remote photography, physiological period, password lock, bedside clock, screen-off dial, location, weather, social sharing, firmware upgrade8. Language:Watch firmware: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Czech, Portuguese, Turkish, Greek, Vietnamese, Thai, Arabic, Polish, Dutch, Latin, Danish, RomanianAPP: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Czech, Portuguese, Turkish, Greek, Vietnamese, Thai, Arabic, Polish, Dutch, Latin, Danish, Romanian9. APP name: Vfit10. Supported systems: Android 5.1 or IOS 8.2 or above systems that support Bluetooth 4.4 BLE11. Waterproof level: IP6712. Battery life: 5-7 days, charging time: less than or equal to 2 hours13. Bluetooth distance: greater than or equal to 10m