1. Screen size: 1.4-inch IPS square screen 2. Material: ABS+PC, fuel injection, zinc alloy, electroplating, glass, silicone 3. Main chip: Nordic 52832 4. Accelerometer: BMA421 5. PPG heart rate sensor: HRS3300 6. Touch IC: Sea Oak 816S 7. Resolution: 240*240 8. Flash size: 32M 9. Bluetooth version: BLE4.0 10. Bluetooth antenna: ceramic patch antenna 11. Battery Type: Polymer 12. Battery capacity: 180mAh 402121 13. Charging method: magnetic suction line charging 14. Compatible mobile phone system: Android 5.0 and above, IOS 9.0 and above, support Bluetooth 4.0 15. Languages supported by the bracelet: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese 16. APP display language: Simplified Chinese, English, Italian, French, German, Spanish, Portuguese, Russian, Japanese, Thai, Arabic, Korean 17. Bracelet push language: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese 18. Functions: blood pressure monitoring, sleep monitoring, blood pressure and oxygen monitoring, step count calculation, exercise distance, calorie consumption, raising hand to brighten the screen, alarm clock reminder, call reminder, SMS reminder, message notification, sedentary reminder, stopwatch, music control , control the camera, the weather, etc. 19. Dimensions: 42.5x36.3x9.6mm 20. Weight: 43.9g
