Heart-shaped shell is removable; You can use black LED tag only or use it with the shell; With pin and strong magnet on the back, it can be fixed on clothes; Switch is on the right side; The brightness symbol at the top left is for brightness adjustment, including 4 brightness modes: 100% / 75% / 50% / 25%; M1 at the top left means to display the first message circularly; M2 means to display the second message circularly; M1-8 means to display all the messages circularly from the beginning; You can input CD any message you need.
Display length: 3 Chinese characters or 4 English letters (static state)
Built-in languages: World language
Function: can display max. 6000 English letters or 3000 Chinese characters; 8 text messages or graphic messages display circularly
Display method: scrolling display, 8 special display effects, 8 speed modes for option
Power supply: rechargeable battery, 5~12V
Battery capacity: 250mAh
Working time: 6~8 hours