DM20 Smartwatch with 4g LTE- Android Standalone Smart Watch with Sim Card Slot

DM20 Smartwatch Standalone Android 4g LTE Smart Watch with Sim Slot   Looking for a square smartwatch with 4g? Check out these specs: Android OS, MTK6739 Quad-core CPU, 3GB RAM+32GB Storage, Facial Unlock & WiFi supported, making sure it meets all your needs. Our 4g Square smartwatch will bring you much fun and convenience with the upgraded battery from 780mah to 1280mah. (Requires GSM Sim Card from At&t, T-Mobile & so on, DOES NOT WORK WITH VERIZON or SPRINT) Features:OS & Configuration:Our 4g Standalone Smartwatch Runs on Android OS, powered by high-performance MTK6739 Quad-core CPU.  3GB RAM+32GB ROM ultimately deliver a richer using experience. Pedometer & Heart Rate Monitoring:DM20 Smart Watch intelligently calculate your motion steps and distance, taking care of your health. Supports recording your heart rate to keep abreast of your physical condition. APP Download Available: YesClock Interface: SelectableRecording: YesSpeaker: YesBattery Capacity: 1280mAh