Rogbid Air 1.75 inch HD Screen Dual Mode Dual Chip 4G Watch Phone Heart Rate SpO2 Monitor GPS GLONASS 5ATM WaterproofA

Unlocked for Worldwide use Please ensure local area network is compatible click here for Network Frequency of your country Main Features 5ATM Deep waterproof 1 75 inch 320 385pixel Screen Support multi band 4G LTE calls Heart RateBlood Oxygen Monitor GPS GLONASS precision positioning system 4GB 128GB Ultra high Configuration Memory Two standby modes Android mode Lite ModeGeneral Specification Brand Rogbid Model Air bluetooth Version BT 5 0 Operating System Android 9 1 Operating Mode Full Touch Press Button Camera 5MPAPP Name GaoFit Watch Language Simplified Chinese English Italian French German Spanish Portuguese Russian Japanese Thai Arabic Korean Greek Korean Dutch Filipino DanishTechnical Parameters Hardware CPU Spreadtrum9832 NRF52832 RAM 1GB 4GB ROM 16GB 128GB Network Network type All Netcom 4G LTE TDDLTE FDDLTE  Frequency TDD LTE B38 2600MHZ B39 1900 B40 2300 B41 2500 FDD LTE B1 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    Wifi Support  SIM Card Nano SIM  GPS Support Display Size 1 75 inch Type IPS Resolution 320 385pixels Sensor G sensor Heart Rate Sensor Battery Battery Capacity 850mAh Standby Time About 7 10 days Lite Mode About 1 2 days Android mode Charging Time About 1 5 hours Charging Type Magnetic chargingSpecial Features Face Unlock Support Waterproof 5ATM Heart Rate Monitor Support Blood Ox