Specifications: Main control chip: RTL8762DW Blood oxygen chip: AFE4950+SFH2703 Optoelectronic chip: AFE4950 Air pressure sensor: Nonlinear high-precision air pressure sensor Body temperature sensor: CT1711 array Blood pressure type: air pump + air bag true blood pressure LCD: 1.91-inch IPS color screen TFT 320*386 retina high-definition full touch screen Bluetooth: 5.0 BLEMotor: Support Charging method: Magnetic charging (with short circuit protection) Waterproof: IP67 waterproof Battery capacity: 370mAh Standby time: about 25 days Normal use time: about 5 days APP system: Android 6.0 (Bluetooth 4.0) and above, iOS 11.0 and above TK63 main points: 1. Air pump + air bag type accurate blood pressure test, blood pressure voice broadcast, TPU ultra-thin comfortable air bag (removable) 2. ECG electrocardiogram, AI intelligent diagnosis 3. Real-time monitoring of blood sugar, uric acid, blood lipids, heart rate, body temperature, blood oxygen, respiratory rate, and sleep. 4. Health management functions such as incoming call and message reminders, and sedentary reminders. 5. Sports function: step counting/calorie/distance, multi-sport mode 6. Remote care function for relatives and friends 7. Multiple dial switching in the APP market, customizable main dial, weather forecast, stopwatch, music control, raising the wrist to light up the screen, alarm clock, and multiple languages 8. 1.91-inch 320*328 retina high-definition full touch screen 9. Language: Watch language: English, Malay, Portuguese APP language: English, Thai, Vietnamese, Portuguese 10. APP: Healthwear Packing list: 1 x Smart watch 1 x USB cable 1 x Instruction manual 1 x Packaging box