1. Master chip: Nordic
2. Sensor: BST-BMA253
3. PPG Ship: HR3300
4. Low power 4.0BLE
5. Screen: 0.96 inch IPS color screen 80*160
6. Material: Front shell: PC, back shell: ABS+PC, Belt: TPE
7. Battery type: polymer lithium battery, battery capacity 90mAh.
8. Charging time: about 2H, 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, hand-on bright screen, social sharing (WeChat, QQ, Facebook, Twitter), shake hand to take phonto, etc.
11. Language: Chinese and English
12. Size: 235*20*12mm, weight: 20g