1. 620 mAh high capacity battery
2. Compatible with GPS / WiFi / Nano SIM card
3. Use a Nano SIM card for 4G independent calls
4. FDD-LTE TDD-LTE
5. GSM: 850 900 1800 190
6. Bluetooth version: 4.0
7. Support heart rate monitor, pedometer, multiple sports modes, application download, alarm clock, calendar, weather report, music playback, etc.
8. Supported languages: Chinese, Traditional, English, German, Spanish, Italian, French, Portuguese (Portugal), Portuguese (Brazil), Russian, Bangladeshi, Hebrew, Hindi, Indonesian, Korean, Japanese, Persian, Polish, Thai, Turkish, Vietnamese, Burmese
9. Operating System: Android 7.1 CPU: 1.25 GHz MTK6739 Quad core
10. Compatible with iOS 11.0 and Android 6.0 or higher
