High-Definition Display 1.85-inch AMOLED screen with 390x450 resolution delivers crisp visuals for easy viewing Comprehensive Health Monitoring Tracks heart rate, blood pressure, blood oxygen, body temperature, and sleep patterns for holistic health management Extensive Sports Modes Features over 100 sports modes including running, cycling, outdoor activities, and indoor exercises for versatile fitness tracking Smart Connectivity Supports Bluetooth 5.3 for stable connections, enabling call notifications, message alerts, and music control Long Battery Life 230mAh battery offers up to 4 days of light use or 10 days on standby, with 2-hour fast charging via magnetic charger Specifications: APP: Hband Main functions: all-day heart rate, blood pressure, blood oxygen, body temperature, meiosis test, call, step count, sleep, calories, distance, voice assistant, music playback, stopwatch, countdown, calculator, weather display, female menstrual cycle function, remote control photo taking, wrist raise screen. Find mobile phone, call reminder (caller number/name), message reminder, alarm reminder, sedentary reminder, heart rate function alarm reminder, Bluetooth disconnection reminder (need to be turned on on the APP), game, flashlight, breathing training, language setting, time and date setting Multiple dials: 6 default dials and 1 custom dial Sports modes: Running (outdoor running, walking, treadmill, indoor walking, cross-country running, walking, long-distance running, full-speed running, variable-speed running, marathon) Cycling (outdoor cycling, indoor cycling, mountain cycling, 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 climbing machine, stepper, spinning bike, indoor fitness, mixed aerobics, cross training, fitness Aerobics, group gymnastics, combat gymnastics, strength training, stepping training Exercise, core training, flexibility training, freestyle training, yoga, Pilates Gymnastics, horizontal bar, parallel bars, stretching, seated press, seated chest press, barbell, dumbbell, sit-ups, push-ups, weightlifting) Dance sports (square dance, social dance, belly dance, ballet, street dance, Zumba, Latin dance, jazz dance, hip-hop dance, pole dance Break dance, folk dance, dance, modern dance, disco, tap dance) Combat sports (boxing, wrestling, martial arts, Tai Chi, Muay Thai, judo, taekwondo, karate, freestyle fighting, swordsmanship, martial arts) And more than 100 sports modes Main control chip: JL7013A and external 128M Flash Gsencor: Sitronix ST8321 Heart rate sensor: HX 3602 Vibration reminder: motor vibration reminder Encoder: full code encoder Waterproof level: IP67 Watch supports languages: Simplified Chinese, Japanese, English, German, French, Italian, Spanish, Portuguese, Russian APP supports languages: English, Simplified Chinese, Traditional Chinese, Korean, German, Japanese, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Persian, Polish, Turkish, Czech, Slovak, Hungarian, Arabic, etc. 150and national languages around the world Screen size: 1.85" 390 x 450 Screen type: AMOLED Bluetooth: Bluetooth 5.3 Operation mode: full touch and rotary button Battery: polymer lithium ion battery Battery capacity: 3.8V/230mAh Usage time: 1 day for heavy use, 4 days for light use, standby: 10 days, callmusic playback: 3 hours Charging method: magnetic charging Charging time: normal 2 hours