Rainbuvvy Smart Watch for Men, 4G Smartwatch for Android and iOS 2.88 Inch Touch Screen Android 9.0 OS 4GB+64GB Activity Tracker with Face Unlock Dual Cameras WiFi GPS Detachable Band (Black)

2.88 inch HD Large Screen: High-definition and comfortable 2.88 inch TFT full touch large screen with 480*640 resolution, sensitive touch, smooth operation experience, smoothly play the apps you need. Bring a unique and innovative visual experience. lndependent SIM card: The Smart watch built-in SlM card slot, support full Netcom 4G network and WiFi wireless fast Internetaccess. Support video call, text message, voice call and other functions, high-speed and stable network connection, easily handle important information on your wrist. Dual Camera & GPS: Using 13.0MP+5.0MP COMS high-sensitivity sensor, colorful and detailed, support for photography and video chat. Built-in GPS positioning navigation. Real-time reception of GPS/GLONASS satellite signals,precise trajectory, independent positioning and navigation. Android 9.0 OS: Equipped with the new Android 9.0 operating system,with an octa-core CPU and 4GB+64GB configuration,it runs at extreme speeds, allowing you to play mainstream mobile games without lag, helping you rule the battlefield. Long Standby: Equipped with 2300mAh polymer lithium battery, coupled with a deeply optimized energy-saving system, eliminating the trouble of frequent charging.