1. Master Chip: Nordic
2. Sensor: BST-BMA253
3. PPG Ship: HR3300
4. Low power 4.0BLE
5. Screen: 0.96 inch 80*160 IPS color screen
6. Material: Front shell: PC, Back shell: ABS+PC, Belt: TPE
7. Battery type: lithium polymer battery, battery capacity 90 mAh.
8. Charging time: about 2 hours, endurance time: 5 days, standby time: 10 days.
9. Compatible systems: Android 4.4 and above, iOS 8.2 and above.
10. Main features: continuous heart rate test, remote care, pedometer, calories, distance, sleep monitoring, call reminder, alarm reminder, practical bright screen, social sharing (WeChat, QQ, Facebook, Twitter), narrow the hand to take phonto, etc.
11. Language: Chinese and English
12. Size: 235*20*12mm, weight: 20g