1. Display size: 1.54 inch TFT 2. Resolution: 240 * 240 3. Battery capacity: 200mAh 4. Body material: metal + plastic, strap material: silicone 5. Bluetooth version: 5.0 6. Android system version 4.4 or higher, Apple system version 8.4 or higher, ios 5S or higher 7. Charging method: magnetic charging 8. IP67 waterproof function 9. Support step counting, multiple exercise modes, heart rate and blood pressure monitoring, information reminder, call reminder, sleep monitoring, remote shooting, sedentary reminder, alarm clock, message notification, etc. 10. Android: English, Czech, German, Spanish, French, Italian, Japanese, Korean, Portuguese, Russian, Thai, Simplified Chinese, Traditional Chinese 11. IOS: English, Chinese, Traditional Chinese, Japanese, Korean, Spanish, German, French, Portuguese, Italian, Russian, Polish 12. Bracelet reminder support languages: Android Chinese, English, Spanish, Russian, Arabic, IOS Chinese, English, Spanish, Russian, Arabic 13. Wristband size: width 20mm, total length 200mm 14. Size: 43.25x36.25x9.6mm