In good conditions, never connected. General Product Name Echo Dot (2nd generation) - Smart Speaker with Alexa Brand Amazon Color Black Audio Built-In Speakers Number of Speakers 1 Voice Assistant Built-in Amazon Alexa Number of Microphones 7 Connectivity Wireless Multi-Room Audio Yes Connectivity Technology Wi-Fi Works With Amazon Alexa, Hue, Nest, SmartThings, Wink Search Engine Used Bing Wireless Connectivity Wi-Fi Operating System Compatibility Android, Apple iOS Features Control Button(s) Microphone, Volume, Wake Wake Word Alexa, Echo Alarm Function Yes Power Power Source Plug-in Display Display Screen No Dimension Product Height 1.5 inches Product Width 3.3 inches Product Depth 3.3 inches Product Weight 0.36 pounds