S999 4G LTE Smart Watch MTK6761 Quad Core 4GB Ram 64GB Rom Smartwatch Phone 2.88" Large Square Screen Watch 2300mAh Android 9

silicon. CPU: MTK6761. Display screen: 2.88 TFT Touch Screen Rectangular Full Touch. Resolution: 480640. RAM/ROM: 4G+64G. SIM card: Nano SIM. Internet 2G/3G/4G. System: Android 9.0. Frequency Band. GSM: 850900/1800/1900. WCDMA: B1/B2/B5/B8. TD-SCDMA: B34/B39. LTE-FDD: B1/B2/B3/B5/B7/B8/B12/B17/B20 LTE-TDD: B38/B39/B40/B41(100MHz). Camera: 5.0MP+13.0MP. BT: 5.0. BT effective distance 10m open environment). Heart Rate Sensor: Tianyi Hexin hrs3300. Battery Capacity: 2300mAh. Wifi Support: 2.4g/5g. GPS: GPS+Go. Battery Life: 3 days. Charging Method: Magnetic charge. Charging Time: 3 hours. Material technology. Watch Case: aluminium alloy. Button: aluminium alloy. Strap material: silica gel. Head size: 77.253.6*15mm. Band length[mm: 288mm. Band width[mm: 32mm. SIM Card Slot: Nano Sim. Voice assistant built-in: No. Bluetooth-compatible Version: 5.0. Wi-fi: YES. Metrics measured: Heart Rate Monitor. Activity Tracked: Other, Steps Tracker, Distance Tracker, Calorie Tracker, Activity Tracker.