1.Laser: Double probe 650nm laser 2. Screen: Square IPS HD TFT 3. Screen size: 1.70 inches 240*280 4. Chip: Ultralow power Realtek 8762DW 5.PPG blood oxygen chip: TYHX3605 6. Temperature sensor: CT1711 array 7. Bluetooth: 5.0 8. Battery capacity: 200mAh 9. Charging method: magnetic charger 10. Charging time: about 3-4h 11. APP: SmartHealth 12. System requirements: Android 4.4 and above, iOS 8.2 and above Specifications: 1. Take care of your health: Blood oxygen/body temperature/PPG/respiratory rate/blood pressure/heart rate monitoring, care for distant relatives and friends, sleep tracking. 2. A good helper for exercise: Pedometer, calories burned, distance, multiple sports modes. 3. A good helper for daily life: Call reminder, sync notification, multiple dials, alarm clock, raise your wrist to wake up the watch, camera remote control, Bluetooth music, do not disturb mode, custom dial, weather, etc.   Language: Watch Language: Chinese, English, Traditional, Japanese, French, German, Italian, Spanish, Russian, Portuguese, Malay, Korean, Polish APP Language: Chinese, Traditional, English, Japanese, German, Russian, Italian, French, Spanish, Portuguese, Thai, Czech, Greek, Polish, Vietnamese, Turkish, Romanian, Hungarian, Danish , Finnish, Arabic, Ukrainian, Hebrew, Persian, Irish, Slovak, Norwegian, Korean, Croatian, Swedish Package Included: 1*Smart Watch 1*Charging cable 1*User Manual