QS21 2.2 inch BT5.3 Sports Smart Watch, Support Sleep / Heart Rate / Blood Oxygen / Blood Pressure / HRV Health Monitor(Gray)

1. Product Model: QS21
2. Supported Mobile Operating Systems: Android: 4.0 iOS: 9.0
3. APP: H Band
4. Main Functions: ECG measurement, body composition analysis, micro-health check, 24/7 heart rate, blood pressure, blood glucose, blood lipids, uric acid, blood oxygen, body temperature, HRV, METs test, calls, step counting, scientific sleep tracking, calorie tracking, distance tracking, voice assistant, Alipay offline payment, music playback, stopwatch, countdown timer, calculator, weather display, female physiological cycle tracking, remote photography, raise-to-wake screen. Phone finder, incoming call reminder (caller number/name), message reminder, alarm clock reminder, sedentary reminder, heart rate function alarm reminder, Bluetooth disconnection reminder (requires enabling in the APP), games, flashlight, breathing training, language settings, time and date settings
5. Sports Modes: Running (Outdoor running, brisk walking, treadmill, indoor walking, trail running, race walking, long-distance running, full-speed running, variable-speed running, marathon)
Cycling: (Outdoor cycling, indoor cycling, mountain biking, BMX, track cycling)
Outdoor Sports: (Mountaineering, outdoor hiking, orienteering, rock climbing, hunting, skateboarding, roller skating, parkour, ATV, off-road motorcycle)
Indoor Sports: (Elliptical machine, rowing machine, stair climber, stepper, spinning bike, indoor fitness, mixed cardio, cross-training, aerobics, Group exercise, combat aerobics, strength training, step training, core training, flexibility training, free training, yoga, Pilates,
Gymnastics, horizontal bar, parallel bars, stretching, seated press, seated chest press, barbell, dumbbell, sit-ups, push-ups, weightlifting)
Dance Sports (Square dancing, ballroom dancing, belly dancing, ballet, street dance, Zumba, Latin dance, jazz dance, hip-hop dance, pole dancing, Breakdancing, folk dance, dance, modern dance, disco, tap dance)
Combat Sports (Boxing, wrestling, martial arts, Tai Chi, Muay Thai, Judo, Taekwondo, Karate, free combat, swordsmanship, martial arts) , And many more (100+ sports modes)
6. Main control chip: JL7013A6 + external 128M Flash
7. G-sensor: Jufeng RA3220
8. Heart rate sensor: Huiding 3228
9. Vibration reminder: Motor vibration reminder
10. Waterproof rating: IP67
11. Watch Languages: Simplified Chinese, Traditional Chinese, Japanese, Korean, English, German, French, Italian, Spanish, Portuguese, Russian, Arabic, Vietnamese, Indonesian, and 31 other languages.
12. APP Supported Languages: English, Simplified Chinese, Traditional Chinese, Korean, German, Japanese, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Persian, Polish, Turkish, Czech, Slovak, Hungarian, Arabic, and over 150 other global languages.
13. Screen Size: 2.2-inch square curved screen, Resolution: 320x385
14. Type: IPS
15. Bluetooth: Bluetooth 5.3
16. Strap Material: Silicone strap
17. Case Material: Integrated aluminum alloy case
18. Dimensions: Main unit: 57.08 x 45.10 x 8.86mm
19. Thickness: 8.86mm (including heart rate sensor)
20. Battery: Polymer lithium battery, 330mAh
21. Usage Time: Light use 7 days, Standby: 15 days
22. Charging Method: Magnetic charging
23. Charging Time: Approximately 2 hours