LED Colour vs Word memorization card

The APP is an LED bluetooth controller APP that controls the color, brightness, and mode of the color, brightness and mode of the lights. Use tutorial videos：https://v.youku.com/v_show/id_XNTEzMzYzMTQ3Ng==.html

・ Tap the “Create” button on the main screen. ・ Enter the name of the word book. Example: Japanese book ・ Enter the words you want to memorize on the front and back of the memorization card. Example: front [青空], back [blue sky] -You can enter as many pairs of words as you like with the arrow buttons below. ・ Back to the main screen. ・ Tap the "Use" button with the created word book selected. -Words on the front side are displayed, and you can see the words on the back side by tapping the "Turn" button. ・ Tap "Reverse" to reverse the front and back of all cards. ・ Tap “Shuffle” to randomize the card order when you move with the arrow buttons. ・ You can tap the star mark on the upper right to make it a landmark. (Tap the setting button at the top right of the main screen to rename or delete each word book.) Please contact the review section or DM here. https://twitter.com/corasck