Health Features:
Wrist-based Heart Rate (automatic measurement), Blood oxygen, Blood Pressure, Sleep tracker, Drink water reminder, Reminder to move, Women's Physiological cycle, Zen mode, Support health APP.

Voice Calling Features:
Voice Calling, Dial Pad, Recent Call, Contact, Call Rejection, Voice Assistant.

Life Features:
Smart Notifications(Call, Text, Gmail, and Smartphone App Notifications), Alarm clock, Game, Flashlight, Timer, Stopwatch, Weather, Controls Smartphone Music and Camera, Find My Phone and Watch, Calculator, Set the screen off time, Do not disturb mode.

Sports Features:
Activity Record( Steps, calories, distance), Sport Goal, 100+ Exercise Modes, Sports Data Report, IP68 waterproof.

COLMI P71 Spec.

Main chipset: Realtek RTL8763E
Display size: 1.9 ''large TFT color display.
Display Resolution: 240*285 pixels
Battery Capacity: 230 mAh Li-pol battery.
Battery Life:
Standby mode: Up to 20 days
Typical usage modes: Up to 10 days
Heavy usage modes: Up to 5 days
Continuous Voice Calling: Up to 280 mins
Charging Time: About 1.5 hours
Waterproof level: IP68 Waterproof
Suitable for mobile phones with Android 5.0 or higher, or iOS 9.0 or higher.

Language

English, Portuguese, Arabic, Russian, Ukrainian, German, Japanese, Spanish, Italian, French, Greek, Dutch, Turkish, Polish, Romanian, Thai, Vietnamese, Indonesian, Hebrew, Bahasa Malaysia, Simplified Chinese.