1. Chip: Shengyuanda 8810 2. Memory: 32+64 3. Screen: 1.44 inch touch screen, resolution: 128*128 4. Heart rate sensor: PAH8007 5. Step counter sensor: AFA820 6. Bluetooth: BT4.0 7. Material: PC+ABS+rubber 8. Battery: 180mA polymer aluminum battery 9. Standby time: more than 360 hours 10. Use time: more than 120 hours 11. Charging type: magnetic charging cable 12. Waterproof rating: IP67 13. Mobile phone system compatibility: android 5.0 or above, IOS 9.0 or above 14. Functions: step counting, sleep monitoring, alarm clock, multiple sports modes (walking, running, cycling, skipping rope, swimming, badminton, football, etc.), sedentary reminder, incoming call/information reminder, notification push, heart rate monitoring, blood pressure detection, blood oxygen detection, remote camera, music control, etc. 15. Watch menu support languages: English, Chinese 16. APP supported languages: Simplified Chinese, Traditional Chinese, English, French, German, Portuguese, Spanish, Arabic, Japanese, Italian, Korean, Russian, Dutch 17. Size: 33.5x42.6x10.8mm