1. System requirements: Android 5.0 and above, IOS 9.0 or above 2. Bluetooth version: BLE 4.0 3. Memory: 64M 4. Battery capacity: 125 mAh 5. Waterproof rating: IP67 6. Heart rate detection, ECG detection, blood pressure detection (heart rate monitoring) 7. Time/clock display, step, calories, distance, sleep time, photo, on/off display 8. Standard motor function (step, distance, calories) 9. Sleep monitoring (sleep time, sleep quality, day and night time) 10. Call reminder, SMS reminder, QQ reminder, WeChat reminder, Skype, facebook, whatsApp reminder. 11. Find your phone and find the bracelet 12. Alarm clock / medication / meeting / sedentary / drinking water reminder 13. ECG+PPG one health measurement, ECG sharing, HRV health index (fatigue index, physical and mental load, physical fitness, cardiac function) 14. Remote control photo (shake a photo) 15. Movement of relatives and friends, mutual measurement of measurement data 16. 1.08-inch ECG bracelet with larger display area and higher resolution. Support charging, information reminds the function of breathing light, more scientific sense. (Switching machine, call reminder, SMS reminder, social reminder and flashing when charging) 17. Size: 55.8x22.3x13.2mm Specification: Package Weight One Package Weight 0.16kgs / 0.35lb One Package Size 13.7cm * 9cm * 4cm / 5.39inch * 3.54inch * 1.57inch Qty per Carton 100 Carton Weight 17.00kgs / 37.48lb Carton Size 28cm * 45cm * 40cm / 11.02inch * 17.72inch * 15.75inch Loading Container 20GP: 529 cartons * 100 pcs = 52900 pcs40HQ: 1228 cartons * 100 pcs = 122800 pcs