1. Waterproof grade: IP68 2. Product shape and material: metal + silicone / steel 3. Main chip model: Realtek8762DK 4. Body storage capacity (ROM+RAM): 64MB FLASH + 160KB RAM, external expansion 128MB FLASH 5. Maximum external storage capacity: 64MB 6. Screen resolution: 360*360 7. Screen size: 1.32IPS color screen 8. Acceleration sensor: stk8321 9. Bluetooth version: BT5.1 10. Battery capacity: 180mAh 11. Compatible system: support IOS 9.0 and above, Android 4.4 and above 12. Functions: message push, step counting, music player, sedentary reminder (APP), sleep monitoring, remote photography, weather forecast, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, female physiological cycle reminder, etc. 13. APP supports languages: Russian, Indonesian, German, Italian, Czech, Japanese, French, Polish, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean 14. Languages supported by the bracelet: Multi-language list: Russian, Indonesian, German, Italian, Czech, Japanese, French, Polish, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic , Korean, Dutch, Hindi 15. Weight: 50g 16. Dimensions: 42x44x10mm