The Smartwatch S1 is compatible with every smartphone except for iPhones (will pair, but connection won't hold). It uses Bluetooth to connect and may also be used as a phone when inserted with a SIM card (also has SD memory card slot).
The device also includes fitness features, such as the step tracking pedometer, sleep monitoring and also features a calendar, an alarm, a calculator and all the useful tools found on any smartphone.
The Smartwatch S1 is available in black-silver, brown-gold, all white or all black.
Specifications & Features
SLEEP MONITORING: Accurately monitors total effective sleeping time and motions every night, including light sleep and deep sleep.
CAMERA: Camera & Remote Picture
PEDOMETER: Calories Calculation, Distance Calculation, etc.
BLUETOOTH: Calls & Notifications