Size: 9.25" x 3.27" x 3.27" (235 mm x 83.5 mm x 83.5 mm)
Weight: 37.5 oz. (1064 grams)
Actual size and weight may vary by manufacturing process
Wi-Fi Connectivity: Dual-band, dual-antenna Wi-Fi (MIMO) for faster streaming and fewer dropped connections than standard Wi-Fi. Supports 802.11a/b/g/n Wi-Fi 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 Amazon Echo and 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.
Audio: 2.5 inch woofer and 2.0 inch tweeter
System Requirements: Amazon Echo comes ready to connect to your home Wi-Fi. The Alexa App is compatible with Fire OS, Android, and iOS devices and also accessible via your web browser.