2 function button:Mute and power switch
A mini Type-C charging interface
1lithium battery,3.7V/18500mAh
Temperature and humidity detection
CO2 detection
Brightness sensor inside
Battery power simulation display
Clock display: hour, minute, 24/12H system
the corresponding items flashing display
Supply voltage: 3.7V~4.2V
UnitSize:60mm x 57.5mm x 67mm
Product highlights:
Air quality level reminder(green,red,red blink);
Sound alarm and notification in App;
Built-in chargeable battery can provide 8 hours power;
One touch to mute and turn-off screen;
Low voltage alert by voice and App notification;