Ticwatch pro, premium smartwatch with layered display for long battery life, nfc payment and gps build-in, wear os by google, sleep tracking, compatible with ios and android (silver) long battery life: 2-30 days on a single charge is achieved by dual layered technology and two modes. Smart mode will get you 2-days of battery life and essential mode will achieve 30-days of battery life. If auto switch to essential mode is turned on, then 5-days of battery life will be achieved. Warning:please charge from a computer usb port or with a 5v 1a usb power adapter, please avoid any 2.1a fast charging or the charger will be fried.
Smart mode: wear os by google, amoled display, google assistant, thousands of apps and watch faces through google play store, health & fitness tracking