Warm tips: If you want to use Voice activation function, please use batteries to power it only.
1. When you power it by USB cable(included), time will display on screen all the time.
2. When you you power it by 3 x AAA batteries(Not included), this is energy saving mode, the time will not display on the screen. To check the time, you can press any button to activate the screen.
Package Includes:
1 x LED Digital Alarm Clock
1 x User manual(English)
1 x USB cable(plug is not included)
How to choose color: (Green / Black / red/ Black mirror screen, Colorful Digit, if the color is not purchasable, then it is sold out.)
Click "Add to cart" or "Buy Now", then you can choose the color and quantity. Only the number colors on screen or screen surface are different, the functions are the same.