Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si 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 1000g. 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 cords. Functional and easy to install. Drill a hole in the wall. Put the expansion tube into the hole. Screw the screw into the expansion tube. Colour: black Material: acrylic Size: 228x100x32mm Package Contents: 1 * Acrylic Wall Speaker Holder Mount 1 set * Installation Accessories Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.