GT30 1.69 inch Screen Ste Bnad Smart Watch 1. Chip: AB bluetrum BT8918B 2. FLASH memory: 32MB 4. Display: 1.69 inch TFT full touch screen resolution 240x 2805. Battery: Li-polymer battery 3.7V/180mAh magnetic charging 6. Battery life: 15 days in standby, 7 days in normal use 7. Bluetooth 4.0, 3D gravity sensor, IP67 waterproof 8. Support APP: HryFine 9. Compatible system: Android5.0 or above, iOS9.0 or above 10. APP language: Support English, Simplified Chinese, Traditional Chinese, Italian, Portuguese, Polish, Spanish, French, Greek, Persian, Hungarian, Czech, Russian, Turkish, Dutch, German, Thai, Vietnamese, Indonesian, Malay, Filipino, Arabic, Finnish, Ukrainian, Hungarian, Indian 11. Watch languages: English, Simplified Chinese, Italian, Portuguese, Polish, Spanish, French, Greek, Persian, Hungarian, Czech, Russian, Turkish, Dutch, German, Thai, Vietnamese , Indonesian, Malay, Filipino, Arabic, Finnish, Ukrainian. Hungarian 12. Main functions: custom wallpaper, bluetooth calling, music control, social APP message reminder, incoming call reminder, SMS reminder, heart rate/blood pressure/blood oxygen monitoring, multi-sport mode, alarm clock reminder, sedentary reminder, mobile phone search, music play , stopwatch, calculator, calendar 13. Appearance material: zinc alloy + ABS, ste band 14. Dial size: 49.6x40x11.3mm 15. Weight: 30.2g (without band) 16. Wristband size: total length 249mm, width 20mm