1. Chip: Realtek 8762D 2. Sensor: Heart Rate/Blood Oxygen: HRS3300, 3D acceleration sensor 3. Display: 1.32 full circle HD 360*360 pixels 4. Bluetooth: 5.0 5. Waterproof grade: IP67 6. Battery: 260mAh 7. Charging method: USB magnetic 2pin charging cable 8. Material: case: alloy metal + plastic, TPU strap (length 265.8mm) 9. Watch size: 260*46*11mm 10. Supported operating systems: Android 4.4 and above, IOS9.0 and above 11. APP language: English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Ukrainian Chinese, Chinese, Traditional Chinese 12. Firmware language: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese 13. Functions: Bluetooth calling, body temperature monitoring, intelligent voice assistant, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, multi-sport mode, multi-sport mode, exercise recording, sleep monitoring, message reminder
