Features:
IPS high-definition color screen.
Automatic heart rate detection.
Remember when there is a message to come.
Record the steps in your watch every day.
It will monitor your sleep quality.
The clock is automatically switched using the remote camera function.
Supports sports mode and stopwatch functions.
Support life waterproofing.
Support for Android 4.4 and higher, iOS 8.0 and higher, BT 4.0.
Other features: pedometer, calories burned, distance, alarm, social media reminder, stopwatch.

parameter:
Screen: IPS HD color screen
Chip: NORDIC NRF52832
Resolution: 240 * 198
Optical sensor: single LED green light HRS3300 optical sensor
Acceleration sensor: three 3-axis accelerometers, BOSCH low power consumption
BT: BT 4.0
System: Android 4.4 / IOS 8.0 and higher
Charging: magnetic charging
Charging time: about 2 hours
Battery type: lithium polymer
Battery: 135 mAh
Standby time: ≧ 480 hours
Language: Simplified Chinese, Traditional Chinese, English, Spanish, French, German, Japanese, Italian, Russian, Polish
Main features: pedometer / burning calories / distance / heart rate monitor / sleep monitor / alarm / call / social media reminder / stopwatch / wrist display light / sit down reminder / firmware OTA / remote camera / find clock / find phone / GPS orbital motion on the app

specification:
Model: W30
Color: Black / Black Red / Black Blue / Silver Black / Silver Red / Silver Blue (optional)
Case material: ABS / metal strap
Material: TPU
Waterproof: IP67 waterproof
Dial diameter: 4.5
Centimeter / 1.77 inch dial thickness: 1.5 cm / 0.59 inches
Bracelet width: 2.2
Cm / 0.87" bracelet length: 23 cm / 9.06 inches
Watch weight: 47 g / 1.65 oz (for plastic case); 53g / 1.87oz (for metal case)