HAMTOD GT33 1.96 inch 4G Smart Call Watch Supports SOS Alarm Features: 1. 4G full network independent card communication. 2.11.5mm ultra-thin all-metal integrated mid-frame design. 3. Three-core power-saving architecture, 5~7 days of battery life in 4G mode, 12~15 days of battery life in Bluetooth mode, and 63.2 days of standby. 4. 1.96-inch high-definition resolution screen. 5. SOS emergency alarm. 6. Official genuine Alipay coin purse. 7. Watch face market, customized wallpaper. 8. IP67 waterproof (1 meter deep for 30 minutes) 9. Function: Supports multiple dial switching, multiple UI style switching, dial market, mobile APP message notification (SMS, QQ, Wechat, Twitter, Facebook, LinkedIn, Skype, Whatapp, Line, Viber, Instagram and other real-time messages), incoming call reminder, 4G independent calls, SOS alarm, receiving text messages, Bluetooth music control, heart rate monitoring, blood oxygen measurement, blood pressure measurement, stress index, menstrual cycle, activity recording, sleep monitoring, weather forecast, multiple sports modes, GPS movement track interconnection, long-term Sit reminder, other functions: alarm clock, stopwatch, countdown, do not disturb mode, raise your wrist to turn on the screen, find your phone, remote control photo taking, etc. 10. Languages: English, Simplified Chinese, Russian, Spanish, German, Italian, French, Portuguese, Polish, Dutch, Greek, Turkish, Hebrew, Czech, Slovak, Hungarian , Arabic, Finnish, Indonesian, Vietnamese, Croatian, Malaysian and other national languages. Parameter: 1. CPU: GR5515 2. Built-in storage: RAM256KB+ROM1024KB 3. External expansion: 128Mb 4. Display: 1.96-inch TFT, resolution: 320x385 5. Touch screen: capacitive full touch screen; full fit 6. Communication format: 4G LTE 7. Communication frequency band: B1358 B3438394041 4G full network 8. Bluetooth: BLE Ver5.1 9. Rotate button: supported 10. Heart rateblood oxygen two-in-one sensor: supports HRS3605 11. Battery: 400