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. Displ