Monitor riser is designed to raise any monitor to a comfortable, ergonomic height. A universal smartphone/tablet holder keeps your device at a comfortable ergonomic level. A Bluetooth connection streams your content to the All-In-One Monitor Riser's speakers. Innovative design combines speakers, four USB ports, SD card reader, headphone jack, two microphone inputs and a convenient shelf into one compact, attractive accessory. Durable wood construction holds up to 50 lb. (22.68kg). Riser includes power adapter, USB cable and aux cable.