4G card call Android watch, does not support connecting to mobile phones, no APP application push, after inserting the mobile phone card, you need to restart the watch to get the signal.LOKMAT APPLLP 2 MAX Call Smart WatchProduct Name: 4G Card Call Smart WatchModel: LOKMAT APPLLP 2 MAXChip: MTKDisplay Size: 2.64-inch TFT ScreenDisplay Resolution: 480*480 PixelsFrequency Band: GSM: 800 / 850 / 900 / 1800; WCDMA: B1 / B2 / B5 / B8; TDS: B34 / B39; LTE-FDD: B1 / B2 / B3 / B4 / B5 / B7 / B8 / B12 / B17 / B20 / B66; LTE-TDD: B38 / B39 / B40 / B41 (100MHz)System: Android 11Camera: Front 500W (interpolation), Side 500W (interpolation)Bluetooth: BLE 4.2Battery capacity: 1200mAh polymer lithium batteryWiFi: 2.4GGPS: built-in low noise amplifier, supports Beidou and GPSCharging time: about 1.5 hoursWaterproof: daily waterproofFunctional featuresProduct functions: SMS, recording, alarm, timer, calendar, WIFI, Bluetooth, photo recording, music and video playback, GPS navigation, etc.Full-time display1) Date, week, clock, minute (real-time display);2) Time format: 12/24 Hour system;System language:Simplified Chinese, Traditional Chinese, Arabic, Dutch (Belgium), English (US), French, German, Italian (Switzerland), Portuguese, Spanish, Croatian, Czech, Danish, Indonesian, Japanese, Korean (Korean), Malay, Polish, Russian, Turkish, Catalan (Spain), Slovak, Estonian, VietnameseMaterial and craftsmanshipCase: LDSClasp: Aluminum alloyMaterial: Stainless steelStrap width: 26 mm, compatible with standard 26 mm quick release strap.Wrist circumference: 145-200 mmDimensionsDial size: 58.2*52.7*14 mmNet weight: 80 g (including wristband)Gross weight: 250 gDurabilityOperating temperature: -20°C to 40°C. Temperatures below -20°C may affect battery life and performance.Package Contents: Smart watch*1, charging cable*1, instruction manual*1.