Ego Aio not charging

Hello guys, today i bought Ego Aio black with white color. I tried to turn it on but it doesn't react when i try t chard it, it's starts blinking then blue color appears and stands for like 5 seconds please guys help me i just bought it today. Im not very good in English writing so the same problem is for this man.
https://www.youtube.com/watch?v=LKX5IG1_Up8

Thank you for your help.