Studio-based streamers are spoiled for choice when it comes to microphone options, we’ve already put together a list of their best options, but for those breaking away from their desk things get more limited. The Seiren BT is Razer’s first attempt at plugging that gap. Taking audio on the move with a tiny Bluetooth mic designed to give mobile streamers a quality, flexible option. On paper it’s ticking a lot of boxes, but does it stack up in the real world, or could it be used in a streaming for gamers set up?