Features 1. Dual system, smart operating system Android 9.1 + PAR2822 platform bracelet mode, 5 seconds to complete system switching 2. Phone, Contacts, SMS, Settings, Heart Rate, Blood Oxygen, Sleep, Breathing Training, Browser, Camera, Gallery, Calendar, Alarm, Music, Recording, File Management, Weather, Sports, Desktop Settings, System Themes, System Optimization, dial market, application market, mobile assistant, Alipay 3. Sports mode: outdoor running, outdoor walking, indoor running, cycling, playing basketball, playing football, playing table tennis, playing badminton, skipping rope 4. Language: - Watch: Chinese (Simplified), Chinese (Traditional), Japanese, Kor, English, French, Russian, German, Dutch, Portuguese, Arabic, Persian, - APP: Chinese (Simplified), Chinese (Traditional), English, Italian, German, Portuguese, Spanish, Russian, Indonesian, French, Japanese, Polish, Dutch, Kor, Thai, Hebrew, Persian, Arabic, Ukrainian 5. APP name: Gao Fit APP Specifications 1. CPU: SC9832E+PAR2822 2. Operating system: Android 9.1 3. Memory: 2GB+16GB 4. Display: 1.6 inch TFT; Resolution: 400 x 400 5. Touch screen: Capacitive touch 6. Bluetooth: BT4.0 7. Network: - GSM: 850/900/1800/1900 - WCDMA: 850/2100 - FDD-LTE: B1/B2/B3/B4/B5/B7/B8/B20 - TDD-LTE: B38/B39/B40/B41(100M) 8. SIM Card: Nano SIM Card 9. Battery capacity: 1000mAh 10. Charging method: Pogo Pin magnetic charging 11. Camera: 5MP 12. GPS: Support (Beidou, GLONASS) 13. Sensors: 3-axis gravity sensor, optical heart rate sensor 14. Case material: Stainless steel 15. Strap material: TPU, strap size: 22mm 16. Dimensions: 49.5 x 55.5 x 17mm 17. Packing list: - Smart Watch x 1 - Magnetic Cable x 1 - Screwdriver x 1 - Manual x 1 - Operation Guide x 1