It’s hard to believe that it was only in 2004 when bluetooth technology had its breakthrough year—with an exceptional product-shipment rate and the appearance of the first Bluetooth stereo headphones.

 

Now, Bluetooth wirelessly connects almost all 2020 electronics. That includes Bose’s most recent incarnation of wireless speakers that also double as stylish sunglasses. What once seemed like small steps towards a wireless future are turning into regular leaps of innovation.