1. Compatibility with for Sonos Roam/for Roam2/for Roam SL speakers. 2. Triangular support design, which makes the speakers more stable. 3. The material uses high-gloss acrylic thickened sheet, which is fixed with screws, making it easy to install and convenient to take and put. The printing/appearance may vary from batch to batch, but it will not affect the use; the actual product may have color difference due to different light or display. Colour:Black Material:Acrylic Package Contents: 1 x Speaker Wall Mount Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.