1. Functions: Bluetooth calling, non-invasive blood glucose measurement, HRV function, MET function, body temperature monitoring, blood oxygen monitoring, breathing training, stress monitoring, women's health (menstrual tracking), heart rate monitoring, blood pressure monitoring, sleep monitoring, sedentary reminder and other health functions.2. Sports functions: step/calorie/distance counting, multi-sport modes.3. Other functions: stopwatch, flashlight, countdown, step counting, calories, distance, sleep monitoring, exercise mode, incoming call reminder, alarm clock reminder, raising your hand to light up the screen, social sharing (WeChat, QQ, Facebook, Twitter), etc., shake Take photos and share real-time data with your family4. Main control chip: ultra-low power consumption 7013A 65. Blood oxygen: infrared light + red light true blood oxygen6. Gravity sensor: ROHM 10577. Vibration: silent/vibration8. Waterproof level: IP679. Compatible systems: Android 4.4 and above, iOS 8.2 and above10. Screen size: 2.01 inches, high resolution 240x29611. Screen type: IPS HD TFT12. Bluetooth: 5.0BLE (low power consumption)13. Battery capacity: 340mAh14. Charging method: magnetic charging15. Charging time: about 3-4H16. Battery life: 5-7 days of use, 20+ days of standby17. Control method: full-screen touch control, mobile APP control18. Language:- Watch side: Chinese, English, Japanese, Russian, German, Spanish, Italian, French, Portuguese, Korean, Polish, Czech, Traditional.- APP: Russian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese , Arabic, Korean.19. Material:- Shell: metal alloy- Bottom case: IML process- Strap: environmentally friendly silicone20. Size: 270x40x12mm (length x width x height)21. Packing list:- Watch x 1- Silicone band x 1- Charging cable x 1- Instruction manual x 1- Packing box x 1Specification: General Certificate ROHS, FCC, RED Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 21cm * 11cm * 2.5cm / 8.27inch * 4.33inch * 0.98inch Qty per Carton 50 Carton Weight 8.60kgs / 18.96lb Carton Size 55cm * 24cm * 23cm / 21.65inch * 9.45inch * 9.06inch Loading Container 20GP: 878 cartons * 50 pcs = 43900 pcs40HQ: 2039 cartons * 50 pcs = 101950 pcs