Case Color: Black
Dial Color: Black
Case Material: Metal
Strap Material: Silicone
App: Da Fit
IP protection degree: IP67
Operating System: Android Wear
iOS
Bluetooth hardware: 4.0 and above
Battery life: Standby for approx 10 days,In use between 4 and 7 days.
Battery charging voltage: 3.7V
Charging time: 2 hours

makes its debut with a fluid design that's super comfortable to the touch. 
This Radiant smartwatch with a black silicone strap connects to your mobile phone and allows you to customize the screen background to reflect how you feel each day, even with your own photos.
In addition, this collection of smartwatches also allows you to monitor health indicators such as your heart rate, the level of oxygen in your blood, or your sleep... breathing to provide greater relaxation. With the call function via Bluetooth® and built-in microphone and speaker, you can even answer calls directly on the watch. Free your hands! 
The average battery life of the Las Vegas Premium model is 4 to 7 days with normal use and 15 days on standby. 
Don't forget that to charge your Radiant smartwatch you must connect the USB charger that comes in the case to a computer.