Sonos PLAY:3. System type: 1.0 system, Recommended usage: universal, Speaker placement: Tabletop/bookshelf, Wall-mountable. Connectivity technology: Wireless, Speaker interface type: RJ-45, Wireless technology: Wi-Fi. Width: 268 mm, Depth: 160 mm, Height: 132 mm. AC input voltage: 110 - 240 V, AC input frequency: 50 - 60 Hz. Operating temperature range (T-T): 0 - 40 °C