APPLLP 7 Smart Watch connects via Bluetooth to your smartphone and is compatible with all operating systems. The watch is equipped with 4GB RAM and 128GB storage. It comes with a 1.6'' HD TFT display and a screen resolution of 400 x 400P. The watch is embedded with a 4 million pixels HD camera. It is waterproof and dustproof. You can easily switch from single mode to dual mode and effortlessly multitask. It accurately sleeps, monitors heart rate, sleeping hours, calories burned, monitors blood pressure, GPS, weather, etc. The smartwatch comes with sports modes like swimming, running, cycling, walking, and yoga. It supports 4G technology.