| Manufacturer | Zeblaze |
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| Model | GTS 4 |
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| Color | Black |
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| Waterproof | IP68 |
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| Display | 1.94" HD AMOLED, with AOD support |
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| Display resolution | 466 x 466 pixels, 391 PPI, up to 1000 nits brightness |
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| Display material | Corning® Gorilla® glass |
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| Sensors | 3-axis accelerometer and 3-axis gyroscope, OHR biometric sensor |
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| Connectivity | Bluetooth 5.3 |
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| Battery capacity | 300 mAh, li-pol battery |
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| Battery life | Up to 14 days in power saving mode, up to 7 days in standard use, up to 5 days in heavy use, up to 285 minutes of continuous phone calls |
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| Charging time | 1.5 hours |
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| App | FitCloudPro |
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| Compatible operating systems | Android 5.0 and above, iOS 10.0 and above |
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| Supported languages | English, German, Russian, Spanish, Portuguese, French, Japanese, Arabic, Dutch, Italian, Czech, Greek, Hebrew, Malaysian, Polish, Vietnamese, Finnish, Turkish, Simplified Chinese |
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| Supported languages in the application | English, German, French, Arabic, Czech, Greek, Spanish, Japanese, Persian, Italian, Korean, Dutch, Polish, Portuguese, Russian, Finnish, Swedish, Thai, Hungarian, Slovak, Croatian, Albanian, Turkish, Ukrainian, Hindi, Simplified Chinese, Traditional Chinese |
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| Supported push notification languages | English, German, French, Arabic, Czech, Greek, Spanish, Japanese, Persian, Italian, Korean, Dutch, Polish, Portuguese, Russian, Finnish, Swedish, Thai, Hungarian, Slovak, Croatian, Albanian, Turkish, Ukrainian, Hindi, Simplified Chinese, Traditional Chinese |
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| Voice call features | Voice calls, voice assistant, numeric keypad, recent calls, contacts, call rejection |
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| Themes | 7 styles |
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| Watch functions | Time/date, automatic summer time switchover, stopwatch, timer, alarm and time setting |
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| Health monitoring | Wrist heart rate measurement (continuous, every minute), daily resting heart rate, SpO2 (blood oxygen) level measurement, breathing training, women's health, sleep assessment and analysis, and calorie burn tracking |
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| Other features | Smart notifications (calls, SMS, Gmail and smartphone app notifications), weather synchronization, smartphone music and camera control, "Find my phone and watch" function, "Do Not Disturb" modes, physical inactivity alert, water drink reminder, calendar, calculator, business cards |
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| Activity tracking functions | Activity log, step counter, stop, movement bar (displays on the device after a period of inactivity; walk for a few minutes to reset it), automatic goal (learns the user's activity level and sets a daily step goal), calories burned, real-time pace and distance |
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| Sports modes installed in the system | Walking, running, climbing, outdoor cycling, basketball, soccer, badminton, yoga, skipping |
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| Sports modes available in the app | Indoor running, weight training, orbiter, table tennis, rowing, tennis, baseball, rugby, cricket, "lazy car," exercise bike, treadmill, free workout, aerobics, indoor walking, stationary cycling, dancing, abdominals, hula-hoop, golf, long jump, volleyball, stepping, horseback riding, field field hockey, tai chi, badminton, boxing, outdoor walking, cross-country skiing, skiing, gymnastics, ice hockey, taekwondo, maximal oxygen uptake, walking, hiking, athletics, waist and abdominal training, karate, finishing and relaxation, Pilates, crossfit, functional training, physical training, archery, flexibility, mixed aerobics, Latin dance, street dance, free combat, ballet, Australian soccer, martial arts, stair climbing, handball, bowling, squash, curling, hunting, snowboarding, recreational sports, American soccer, hand cycling, fishing, frisbee, folk dancing, alpine skiing, winter sports, relaxation meditation, ice skating, fitness games, aerobics, group exercise, combat gymnastics, lacrosse, shoulder exercises, wrestling, fencing, softball, singles, shoulders, rollerblading, darts, pikeball, HIIT, shooting, jiu-jitsu, skateboarding, cross-country biking, rollerblading, parkour, scuba diving, surfing, snorkeling, pull-ups, push-ups, rock climbing, high jumping, bungee jumping, marathon |
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| Available watch face themes | 100+ with app, 5 in system |
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| Customizable watch face | Supported |
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| Material of manufacture | Metal (case), stainless steel (buttons and buckle), silicone (strap) |
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| Width | 22 mm, compatibility with standard 22 mm quick release watch straps |
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| Wrist circumference | 130 - 235 mm |
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| Dial size | 47 x 39 x 8.7 mm |
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| Weight | 51.4 g with strap, 31.3 g without strap |
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| Operating temperature | From 0° to 45°C (temperatures below 0°C may affect battery life and performance) |
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