UNIWA KW390 1.39 inch Screen 4G Android Smartphone Watch

UNIWA KW390 1.39 inch Screen 4G Smart Watch The UNIWA KW390 1.39 inch Screen 4G Smart Watch is a high-tech and stylish device that combines the functionality of a smartphone with the convenience of a watch. With its advanced features and sleek design, this smart watch is perfect for those who are always on the go. Basic Information Operating System: Android 8.1 Waterproof Level: IP67 SIM Type: Single Nano SIM card Material: Shell: Zinc alloy, buttons: stainless steel, strip: TPU+PU Size: Case: 57*47*15mm, watchband: 22mm Weight: 67g Hardware Display: 1.39 inch AMOLED full round touch screen, 454*454px CPU: UNISOC SL8541E Cortex-A53 quad core, 1.3GHz; GPU:Mali-T820 MP1@384MHz RAM: 4GB RAM ROM: 64GB ROM, not support TF card extension Camera: Single 2MP side camera Battery: Built-in 650mAh battery, support magnetic charging Sensors: G-Sensor, heart rate sensor, air pressure sensor Network & Connectivity Band: 2G: GSM 850/900/1800/1900MHz 3G: WCDMA 850/900/1700/1900/2100MHz 4G: F