Perfect for all small portable speakers, even with a case. Mount behind your bed to keep your Bluetooth speaker/phone/alarm clock within reach. Holds speakers or smart devices up to 800g. A convenient and stylish way to store small wireless speakers/smartphones/mirrorless cameras/baby monitors/alarm clocks/smart devices in the bedroom, kitchen, office, etc. USB cable access with space to organize and keep cables and plugs. Functional and easy to install. Follow these steps: 1) Drill a hole in the wall, 2) Insert the expansion tube into the hole, 3) Screw the screw into the expansion tube. Colour: Black Material: Acrylic Size: 10.8 x 10 cm Package contents: 1 x Speaker shelf Only the above package content is included, other products are not included. Note: Light and different displays may cause the colour of the item in the picture to be slightly different from the actual item. The allowed measurement error is +/- 1-3 cm.