Can the device call and recieve calls from other operators ?

Yes the device can call and recieve calls from other operators if the numbers are configured on the app.

General
How many devices can the main account holder have ?
Can I have the device without being a virgin SIM customer ?
Can I migrate the device under another account ?
What do I do if I change my mind and want to return the device ?
Can a user have more than one payment card on his account ?
What is the Warranty for the device ?
Can I remove the SIM card in the device ?
What type of cards a user can have on the app ?
What is the Re-fund policy for the device ?
How do I know the battery status ?