What a great way to broadcast a your kid's game or an event to family and friends who cannot attend? Would love to hear your feedback on the camera quality.— Can Bal (@canbal) January 5, 2017
You can stream the video on a 4G network and also using WiFI. 4K video at 25 to 30 frames per second. Available for Android, iPad and iPhone.
Here is a video of the Director of AR and VR for Twitter talking about the product.