Tempow raises $4 million to improve Bluetooth

French startup Tempow has raised a $4 million funding round. Balderton Capital led the round, with C4 Ventures also participating. The company has been working on improving the Bluetooth protocol to make it more versatile.
Smartphones, speakers and connected devices all use Bluetooth in one way or another. There are only a handful of Bluetooth chipset manufacturers in the world, such as Qualcomm and Broadcom. While Bluetooth chips have become incredibly efficient as they use much less power than