Amazon Echo Dot 4th Generation Smart Speaker with Alexa - Blue

Characteristic: Size 3.9 x 3.9 x 3.5 inches (100mm x 100mm x 89mm) Weight 12oz (341.3g). Actual size and weight may vary depending on manufacturing process WiFi connection Dual-band Wi-Fi is compatible with 802.11 a/b/g/n/ac networks (2.4 and 5 GHz). It does not support connecting to ad-hoc (or peer-to-peer) Wi-Fi networks. Bluetooth connectivity Advanced Audio Distribution Profile (A2DP) allows 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 on Mac OS X devices. Bluetooth speakers that require PIN codes are not supported. Audio A 1.6-inch speaker. 3.5mm stereo audio output for use with external speakers (audio cable not included). system requirements The Echo Dot comes ready to connect to your Wi-Fi. The Alexa app is compatible with Fire OS, Android and iOS devices and is also accessible through your web browser. Compatible operating systems . Certain skills and services may require a subscription or other fees. configuration technology Amazon Wi-Fi's easy setup allows customers to connect smart devices to their Wi-Fi network in just a few steps. Simple Wi-Fi setup is another way Alexa is always getting smarter. Learn more about simple Wi-Fi setup .