Size3.9” x 3.9” x 3.5” (100mm x 100mm x 89 mm)Weight10.7 oz (304g) Actual size and weight may vary by manufacturing processAudio1.73” (44 mm) front-firing speaker, Lossless High DefinitionWifi connectivityDual-band Wi-Fi supports 802.11a/b/g/n/ac (2.4 and 5 GHz) networks. Does not support connecting to ad-hoc (or peer-to-peer) wifi networks.Amazon SidewalkA shared network that can simplify Echo device setup and can help your device reconnect to your wifi router when you update your password or network name. Sidewalk uses a small portion of your internet bandwidth to provide these services to you and your neighbors, and is enabled on your device unless you have previously disabled the setting. You can disable Sidewalk at anytime. Learn more here.Smart Home ProtocolsWiFi and Bluetooth Low Energy MeshBluetooth connectivityAdvanced Audio Distribution Profile (A2DP) support for audio streaming from your mobile device to Echo Dot or from Echo Dot to your Bluetooth speaker. Audio/Video Remote Control Profile (AVRCP) for voice control of connected mobile devices. Hands-free voice control is not supported for Mac OS X devices. Bluetooth speakers requiring PIN codes are not supported.eero Built-inYour wifi network must use a compatible eero router and your Echo device must stay in range of a compatible eero device. You will need to link your eero and Amazon accounts and manage eero Built-in from the eero mobile application to use this feature. eero Built-in compatible Echo devices support up to 1,000 sq. ft. of additional coverage, speeds up to 100 Mbps, and 10 or fewer connected devices. Actual performance can vary and certain eero, Echo, or Alexa features may be incompatible with eero Built-in. Learn more about eero Built-in performance, availability and compatibility. Use of eero and eero-related products and services, including eero Built-in, requires creation of an eero account and agreement to eero’s Terms of Service.LanguageAlexa speaks English and Spanish
