Decorative set for teenager room

Decorative set for a teenager's room
• Ribbon black wall shelf from Unison home
Dimensions
Length: 70 cm
Width: 19.7 cm
Height: 16.5 cm
Link: https://www.unisonhome.com/ribbon-black-wall-shelf.html 
• Bose SoundLink Flex music speaker
The model is made in several colors,
each has balls with texture options
– Black
– Stone Blue
-White Smoke
Dimensions
Length: 20 cm
Width: 5.3 cm
Height: 9.1 cm
Link: https://www.bose.com/p/speakers/bose-soundlink-flex-bluetooth-speaker/SLFLX-SPEAKERWIRELESS.html 
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Renderings were made in V-Ray, materials were converted to Corona using Corona Converter
Those who work in a V-Ray version lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR (GGX), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward – whichever is preferable for you
For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of the materials is adjusted taking into account PBR