Suitable for All Small portable speakers even with an outer case, Mount behind your bed with bluetooth speaker/phone/ on it. Hold speakers or smart devices up to 800g. Convenient and attractive to hold Small Wireless Speakers/Smartphones/Mirrorless Camera/Baby Monitor///Smart Devices in room, kitchen,office etc. USB cord access hole with slot to position and conveniently retain plugs and Functional and easy to install. Please kind the 1) Drill a hole in the wall, 2) Put the expansion tube into the hole. 3) Screw the screw into the expansion tube colour:Black Material:Acrylic size:10.8 x 10cm Package Contents: 1 x Speaker Stand Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.