<Tr> <Th> Power </Th> <Td> 570 mAh Internal lithium - ion battery </Td> </Tr> <Tr> <Th> Weight </Th> <Td> 36 g (1.27 oz) </Td> </Tr> <Tr> <Th> Backward compatibility </Th> <Td> Any Bluetooth - capable phone; MyGlass companion app requires Android 4.0. 3 (Ice Cream Sandwich) or higher or any iOS 7.0 or higher </Td> </Tr> <Tr> <Th> Related articles </Th> <Td> Oculus Rift </Td> </Tr>

What is google glass and how does it work