HW18 1.6 inch Dynamic Inter Smart Watch 1. Chip: HS 66212. FLASH memory: 64M 4. Display: 1.6 inch TFT full touch screen, resolution 320* 3205. Battery: 200mAh 6. Battery life: 65 days in standby, about 10 days in normal use 7. Bluetooth 5.2, 3-axis gravity sensor, IP67 waterproof 8. Call Bluetooth: SC7R30, heart rate chip: SC7R 309. Support APP: WearFit pro 10. System requirements: Android5.0 or above, iOS10.0 or above 11. APP language: Support Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Russian, Thai, Czech, Portuguese, Indonesian, Arabic, Turkish, Greek , Estonian, Bulgarian, Latvian, Lithuanian, Romanian, Serbian, Slovak 12. Watch language: Chinese, English, Arabic, French, German, Spanish, Portuguese, Russian, Thai, Polish, Italian, Japanese, Traditional, Czech, Turkish, Greek, Latin, Romanian, Vietnamese, Danish 13. Main functions: intligent split-screen display, 3D dynamic dial, scan code connection, voice call, pword lock screen, view health data of ratives and friends, view movement track, wallet function, OTA upgrade, step counting, music playback, calories, 100 kinds Exercise mode, heart rate/blood pressure/blood oxygen/sleep monitoring, incoming call reminder, message reminder, sedentary reminder, alarm clock reminder, stopwatch, calculator, WeChat exercise, find bracet, custom dial, weather, etc. 14. Appearance material: zinc alloy body + IML bottom case, silicone/nylon strap 15. Dial size: 41x34.5x10.5mm 16. Weight: 31g (without strap) 17. Wristband size: total length 260mm, width 20mm 18. Packing list: dial x1, band x2, manual x1, charging stand (including cable) x1