Here is another Nixie clock that doubles as a speaker to give any room in your home more style. The NixieX IN-12 Nixie Tube Clock has a Bluetooth 5.0 speaker system. It also has an alarm function. This retro clock has a real-time clock module with a CR1220 battery.
The unit has a retro volume unit meter. It has a space gray aluminum alloy unibody. You can use the switches and knobs on it to adjust volume and time. More information is available on Kickstarter.