[Dual System] Rogbid S21 4G Full Netcom Android Smartwatch 1.75 inch IPS Full Touch Screen 1G+16G GPS WIFI Face Recognit

Features 1 75 IPS Display More Efficient and Power Saving Dual CPU 4G Independent Call Built In Nano SIM Card Slot 5 0MP Front Camera Face Recognition 0 1 Second GPS GLONASS 24 Hour Heart Rate Monitoring 700mAh Large Capacity 5ATM WaterproofSpecification Brand RogbidModel S21 bluetooth Version BT 5 0 RAM 1GB ROM 16GB Support Frequency Band TDDLTE B38 2600MHZ B39 1900 B40 2300 B41 2500 FDD LTEB1 2100 B2 1900 B3 1800 B5 850 B7 2600 B8 900 B12 700 B17 700 B20 800 WCDMA B1 2100 B5 850 B2 1900 GSM B2 1900 B3 1800 B5 850 B8 900 SIM Card Nano SIM Card System Powered by Android 9 1 Google Play Services Supported Operating Mode Full Touch Screen Supported Languages Simplified Chinese English Italian French German Spanish Portuguese Russian Japanese Thai Arabic Korean Greek Korean Dutch Vietnamese Filipino DanishSpecial Features Waterproof IP68 Waterproof Camera 5 0MP Front Camera Multi Sport Modes Support Over 10 Sports Heart Rate Measurement Support Blood Oxygen Monitor Support Face Recognition Support Message Notification Support Music Sync Function Support Weather Support Other Functions Pedometer Map Video Chat NFC Recorder Calendar Alarm Google APPTechnical Parameters CPU SC9832 NRF52832 WIFI Yes GPS GPS GLONASS Screen Size 1 75 inch Type IPS Pixel 320 385 pixel Band Material Silicone Data Transmission POGO PIN Battery Battery Capacity 700mAh Standby time 7 10 hoursDaily Time 24 hoursCharging Time 1 5 hours Charging Method