Cordova SQLite save BLOB

I have a problem with Cordova SQLite plugin.

How can I save BLOB image to SQLite?

I have BLOB object in JS:

Blob:{
size: 96874
type: "image/jpeg"
__proto__: Blob
length: 1}

And I trying to save it

INSERT INTO images (img) VALUES (?);

And when i trying to get this image:

SELECT img FROM images

I get this string:

img: "{"type":"image\/jpeg","size":96874}"

How can i convert it to BLOB again?

Also i trying to save images in base64, but i can't save big images to SQLite, because base64 string is very huge. (It's works with small images)

Please, help me and sorry for my English.