M99 1.28 Inch Round Screen Ip67 Waterproof Smart Watch, Support Bluetooth Call / Sleep Monitoring / Heart Rate Monitoring, Style:leather Strap(black S The product is shipped based on the color or size of the main image of the product page. 1. Screen: 1.28 inch round screen, resolution: 240x240 2. Bluetooth version: 5.0+3.0 3. Battery capacity: 200MAH 4. Use time: about 4-7 days, theoretical standby time: 30 days, charging time: about 2 hours 5. Support system: Android 4.4 and above, IOS9.0 and above 6. Watch firmware language: Simplified Chinese, Traditional Chinese, English, French, Spanish, Russian, Portuguese, German, Korean, Arabic, Ukrainian, Italian 7. App languages: English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Ukrainian Language, Chinese, Traditional Chinese 8. Information push language: Simplified Chinese, Traditional Chinese, English, German, French, Italian, Greek, Latin, Spanish, Portuguese, Romanian, Polish, Russian, Ukrainian, Rusynian, Belarusian, Bulgarian, Serbian, Macedonian, Croatian, Bosnian, Thai, Hindi, Sanskrit, Nepali, Cambodian, Vietnamese, Lao, Persian, Kurdish, Pashto, Punjabi, Turkic, Berber, Malay, Turkish 9. Functions: pedometer, calories, sleep monitoring, alarm clock reminder, call rejection, call answer, Bluetooth call, music playback, weather synchronization, Bluetooth dialing, sedentary reminder, drinking reminder, message reminder, remote camera, etc.