I guess You Could Say Celia & Perah R3/R4 Are Flat-pack Bluetooth Speakers

Almost anyone can buy a good-sounding and visually striking Bluetooth speaker, but not everyone has the knack to build one. If you ever harbor the desire to build your own, well then, Taiwanese audio equipment maker, Celia & Perah, will let you do just that with Celia & Perah R3/R4 Bluetooth Speaker.