Size : 1.3” x 3.3” x 3.3” (32 mm x 84 mm x 84 mm)
Weight : 5.7 oz. (163 grams) Actual size and weight may vary by manufacturing process
Wi-Fi connectivity : Dual-band Wi-Fi supports 802.11 a/b/g/n (2.4 and 5 GHz) networks. Does not support connecting to ad-hoc (or peer-to-peer) Wi-Fi networks.
Bluetooth connectivity : Advanced 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.
Audio : Built-in speaker for voice feedback when not connected to external speakers. 3.5 mm stereo audio output for use with external speakers (audio cable not included).
System Requirements : Echo Dot comes ready to connect to your Wi-Fi. The Alexa App is compatible with Fire OS, Android, and iOS devices and also accessible via your web browser. Certain skills and services may require subscription or other fees.