1.95 inch Rugged Smart Sports Wristband1. Basic functions: step counting, sleep, heart rate, exercise, blood pressure, weather, camera control, blood oxygen, music control, theater mode, stopwatch, alarm clock, timer, sedentary reminder, breathing training, message, call hang up and Answering, brightness adjustment, mute, QR code, split screen function2. Exercise modes (123 types): walking, running, cycling, rope skipping, badminton, basketball, football, swimming, tennis, rugby, golf, yoga, gym, dancing, baseball, liptical machine, rowing machine, trail running, Skiing, bowling, dumbbls, sit-ups, training, climbing and more3. Message and call reminder: phone call, SMS, WeChat, QQ, , , , Skype, , Line, Kakao Talk, others4. Watch menu language: English (default), Simplified Chinese, Japanese, Korean, German, French, Spanish, Arabic, Traditional Chinese, Russian, Italian, Portuguese, Ukrainian, Turkish, Romanian5. APP language: English, Simplified Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Traditional Chinese, Ukrainian, Italian, Portuguese, Dutch, Polish, Swedish, Finnish, Danish, Norwegian, Hungarian, Czech, Bulgarian, Romanian, Slovak, Latvian, Indonesian, Thai, Turkish, Vietnamese, Hindi, Pushto, Lithuanian, Estonian, Slovenian, Croatian, Greek, Filipino, Hebrew, Malay, Serbian, Persian6. Mobile phone system requirements: iOS 9.0 or above; Android system 6.0 or above7. Parameters:Main control chip: RTL8763EWEMemory size: 128MbG-sensor mod: SC7A20Heart rate sensor mod: HS3605Touch pan: G+F step cover, fully laminated, Haili Chuang 816DDisplay specifications: 1.95 inches IPS color screen resolution 240*282Button mode: 2 side buttons (1 power button + 1 sports mode shortcut button)Battery type: lithium polymer pure cobalt battery 400mAhCharging current: 200mACharging method: magnetic chargingHorn: 0916 five magnetic wding wireMicrophone: 0415 with sili