Bluetooth

The Royal Kludge RK61 is an affordable compact mechanical keyboard which features both wireless and wired modes. Available with blue, brown or red (silent) switches.

Almost a complete reinvention of the LCD series, the new flagship LCD-5 from Audeze is their best offering yet and a worthy world-class high-end headphone in its own right.

Interesting, but pricey speaker.

Proprietary for apple devices

Supports wi-fi, Bluetooth 4.0, AirPlay, as well as aux and RCA. What Hi-Fi? Awards 2018 winner.