A neat accessory currently being showcased at Computex in Taipei, Taiwan is Weeview's Eye-Plug. This is essentially a camera on a stick. You plug it into the USB Type-C port of your Android smartphone, and it lets you shoot 3D videos. It does the 3D capture thing by using both its own camera as well as your handset's, working together to record footage you can then view in a Google Cardboard headset. And because it goes into the USB Type-C port, you can plug it in either facing the front of the phone or its rear. So yes, you can do 3D selfie videos too if you want to. Additionally,...
Source: http://www.gsmarena.com/weeviews_eyeplug_goes_into_your_android_phones_usb_typec_port_lets_you_shoot_3d_videos-news-18539.php