The advertised product is USB-powered. It can therefore be connected to a compatible USB power source rather than relying solely on built-in batteries. The product page currently describes three HD projection discs with different visual themes.
Official Website:
https://trustedhealthmart.com/keilini-astravision-de/
FACEBOOK:...
English
Arabic
French
Spanish
Portuguese
Deutsch
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek