1. Features: Double ceramic cover technology / 1.32-inch large screen / health monitoring / exercise record / IP67 waterproof / multi-dial switching 2. Dual-core sensor chip, 24-hour uninterrupted monitoring of your health 3. Chipset: RTL8762DT+JL 4. Display type: 1.32 inch TFT full touch screen, 360 x 360 resolution 5. Battery capacity: 260mAh 6. Charging method: magnetic charging 7. Bluetooth: BLE5.0+3.0 8. Charging time: about 60 minutes 9. Diameter: 46mm 10. Weight: 35g The main function: - Answer/reject calls/make calls - Heart rate monitoring, blood/blood oxygen pressure monitoring, sleep monitoring, sedentary reminder - Exercise pedometer/calorie consumption/track record/exercise time - Incoming call reminder and display - message push and display - Remote control camera - Automatic heart rate measurement - Multisport measurements - Clock reminder - Alarm reminder - Dial: default 4 dials, turn the button to switch - APP supports languages: English, Japanese, Korean, German, Spanish, French, Italian, Russian, Portuguese, Arabic, Chinese, - UI support languages: English, Japanese, Korean, German, Spanish, French, Italian, Russian, Ukrainian, Arabic, Chinese, - Supported languages for message push: English, Japanese, Korean, German, Spanish, French, Italian, Russian, Ukrainian, Arabic, Chinese, - Support mobile phone system: for IOS9.0 and above, for Android5.0 and above