Product model U13
Supports mobile operating system IOS 9.0 and above
APPHband
Main functions: 24-hour heart rate, blood pressure, blood sugar, blood oxygen, body temperature, Mett test, call, step counting, sleep, calories, distance, voice assistant
Music playback, stopwatch, countdown, calculator, weather display, female physiological cycle function, remote control for taking photos, wrist lift to light up the screen.
Search for mobile phones, call reminders (call number/name), information reminders, alarm reminders, sedentary reminders, heart rate function alarm reminders
Bluetooth disconnection reminder (needs to be opened on the APP), game, flashlight, breathing training, language settings, time and date settings

Multiple dials: 8 default dials+1 custom dial+1 massive dial
"
Sports mode: Running (outdoor running, brisk walking, treadmill, indoor walking, off-road running, race walking, long-distance running, full speed running, variable speed running, marathon)
Cycling Sports (Outdoor Cycling, Indoor Cycling, Mountain Cycling, Small Wheels, Track Cycling)
Outdoor sports (mountaineering, outdoor hiking, orienteering, rock climbing, hunting, skateboarding, roller skating, parkour, beach bikes, off-road motorcycles)
Indoor sports (elliptical machines, rowing machines, climbing machines, treadmills, dynamic bicycles, indoor fitness, mixed aerobic, cross training, fitness)
Exercise, group gymnastics, combat exercises, strength training, step training, core training, flexibility training, self training, yoga, Pilates
Gymnastics, horizontal bars, parallel bars, stretching, sitting compresses, sitting chest compresses, barbells, dumbbells, sit ups, supine support, weightlifting)
Dance sports (square dance, ballroom dance, belly dance, ballet, street dance, zumba, Latin dance, jazz dance, hip-hop dance, pole dance)
Breakdance, ethnic dance, dance, modern dance, disco, tap dance)
Fighting Sports (Boxing, Wrestling, Martial Arts, Tai Chi, Muay Thai, Judo, Taekwondo, Karate, Self Fighting, Fencing, Martial Arts)
Wait for 100+sports modes

"
Main control chip JL7013A+external 128M Flash
Gsencor ST8321
Heart rate sensor Tianyi Hexing 3602
Vibration reminder motor vibration reminder
Encoder full code encoder
Waterproof grade IP67
The watch supports languages such as Chinese, English, Japanese, French, German, Spanish, Italian, Russian, Polish, Traditional Chinese, Korean, Dutch, Portuguese, Thai, and Arabic
The APP supports languages such as English, Chinese, Simplified Chinese, Traditional Korean, German, Japanese, Russian, Spanish, Italian, French, and Vietnamese
Portuguese, Persian, Polish, Turkish, Czech, Slovak, Hungarian, Arab and other 150+national languages in the world"
Screen size 2.1 square screen, resolution: 320 * 386 (high color gamut)
Type IPS screen
Bluetooth 5.3
Standard strap material: silicone strap
Size "Host: 54.85 * 42.32 * 13.1mm"
Suggested maximum size for protective mold: 45.61 * 37.16mm
Thickness: 13.1mm (including heart rate position)
Machine: 269 * 39.67mm (including the maximum size of the strap)"
Weight "Head: 34g
Whole machine: 52g"
Color black, gold
Operation mode: full touch+rotary button
Battery polymer lithium-ion battery
Capacity 3.8V/300Mah
Intense use for 4 days, light use for 12 days, standby for 30 days, call/music playback for 6 hours,
Charging method: magnetic suction charging
Charging time is usually 2 hours