Sonos Wireless Dock. Weight: 155 g. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 70 °C. Dimensions (WxDxH): 97 x 82 x 28 mm, Interface: docking connector, Power requirements: 100-240 VAC, 50-60 Hz; 5 VDC, 2A