QS25 1.43-inch IPS Display Smart Sports Watch Supports Bluetooth Calling & Health Management Basic Information 1. Product Model: QS25 2. Supported Mobile Systems: Android 4.0, iOS 9.0 or above 3. Companion APP: Hband Core Functions 1. Main Functions: ECG measurement, body composition analysis, micro-health check, 247 heart rate monitoring, blood pressure, blood glucose, blood lipids, uric acid, blood oxygen, body temperature, HRV, METs test; calling, step counting, scientific sleep monitoring, calorie and distance tracking, music playback, stopwatch, countdown, calculator, weather display, female cycle tracking; remote photo capture, wrist-lift wake-up, find phone, call alerts (with numbername), message alerts, alarm clock, sedentary reminder, heart rate alarm; Bluetooth disconnection alert (requires APP activation), games, flashlight, breathing exercises, language settings, time and date adjustment. 2. Sports Modes: Running (outdoor cycling, walking, treadmill, indoor walking, trail running, race walking, long-distance running, full-speed running, variable-speed running, marathon), cycling (mountain climbing, outdoor cycling, indoor cycling, mountain biking, rock climbing, skateboarding, roller skating, parkour, ATV, off-road motorcycle), outdoor sports (outdoor hiking, orienteering, rock climbing, skateboarding, roller skating, parkour, ATV, off-road motorcycle), indoor sports (elliptical, rowing machine, stair climber, stepper, spinning bike, indoor fitness, mixed cardio, cross-training, aerobics, group exercise, kickboxing, strength training, running training, core training, flexibility training, free training, yoga, Pilates), gymnastics (pull-ups, dips, stretching, seated press, seated chest press, barbell, dumbbell, sit-ups, push-ups, weightlifting), dance, combat sports, and over 100 other sports modes. Hardware Configuration 1. Main Chip: JL7013A6 + external 128M Flash 2. G-sensor: RA3220 3. Heart Rate Sensor: Goodix 3228 4. Vibration Alert: Motor vibration reminder 5. Waterproof Rating: IP67 6. Display: 1.43-inch IPS screen, 466x466 resolution 7. Connectivity: Bluetooth 5.3 8. Strap Material: Silicone strap 9. Case Material: Integrated aluminum alloy case 10. Dimensions: Main unit: 57.08x45.10x8.86mm 11. Weight: Full device: 89g 12. Operation Method: Touch + physical buttons 13. Battery: Polymer lithium battery, 330mAh 14. Battery Life: 7 days with light use, 15 days on standby 15. Charging Method: Magnetic charging 16. Charging Time: Approximately 2 hours Language Support 1. Watch Languages: Simplified Chinese, Traditional Chinese, Japanese, Korean, English, German, French, Italian, Spanish, Portuguese, Russian, Arabic, Vietnamese, Indonesian, etc. (31 languages) 2. APP Languages: English, Simplified Chinese, Traditional Chinese, Korean, German, Japanese, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Persian, Polish, Turkish, Czech, Slovak, Hungarian, Arabic, etc. (over 150 global languages)