1. Chip: 8762DT 2. Memory: 128MB 3. Bluetooth: V5.0 4. Sensor: SC7A20 gravity sensor, HX3605 heart rate and blood oxygen IC 5. Display: 2.0-inch IPS full touch screen 395x460 resolution 6. Battery type: 3.7V/260mAh polymer lithium battery, wireless charge 7. Endurance time: 7-15 days 8. Waterproof level: IP68 9. Support APP: RDFit 10. System requirements: above Android or iOS9.0 11. Language support: Chinese, English, Russian, Spanish, Turkish, Vietnamese, Hebrew, Thai, Arabic, Persian 12. Function: steps, movement route, heart rate/blood oxygen/blood pressure monitoring, body temperature monitoring, sleep monitoring, female health assistant, sedentary reminder, breath training, remote photography, Alipay, NFC, calculator, alarm clock, sports modes (running, walking, football, badminton, tennis, basketball, table tennis, cycling, yoga, rope skipping, mountain climbing), Bluetooth music, stopwatch, weather, dial, contacts, call records, notification messages, find mobile phone, etc 13. Material: zinc alloy body+IML bottom shell+silicone watch band 14. Product size: 4.5x3.8x1.1cm, watch band 22.66x2.1cm 15. Product weight: 36.58g