All-new Echo 4th Generation With premium sound smart home hub & Alexa - Twilight Blue
New look, new sound - Echo delivers clear highs, dynamic mids, and deep bass for rich, detailed sound that automatically adapts to any room.
Voice control your entertainment - Stream songs from Amazon Music, Apple Music, Spotify, SiriusXM, and more. Plus listen to radio stations, podcasts, and Audible audiobooks.
Ready to help - Ask Alexa to play music, answer questions, play the news, check the weather, set alarms, control compatible smart home devices, and more.
Smart home made simple - With the built-in hub, easily set up compatible Zigbee devices or Ring Smart Lighting products (coming soon) to voice control lights, locks, and sensors.
Fill your home with sound - With multi-room music, play synchronized music across Echo devices in different rooms. Or pair your Echo with Fire TV to feel scenes come to life with home theater audio.
Connect with others - Call almost anyone hands-free. Instantly drop in on other rooms or announce to the whole house that dinner's ready.
Designed to protect your privacy - Built with multiple layers of privacy protections and controls, including a microphone off button that electronically disconnects the microphones.
Size
5.7” x 5.7” x 5.2” (144 x 144 x 133 mm)
Weight
34.2 oz (970 g) Actual size and weight may vary by manufacturing process.
Wifi connectivity
Dual-band wifi 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.
Smart home hub
Zigbee
Bluetooth connectivity
Advanced Audio Distribution Profile (A2DP) support for audio streaming from your mobile device to Echo or from Echo 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. Direct control of BLE Mesh. Bluetooth speakers requiring PIN codes are not supported.
Audio
3.0” (76.2 mm) neodymium woofer and two 0.8” (20 mm) tweeters.
Setup technology
Amazon wifi simple setup enables customers to connect smart devices to their wifi network in a few easy steps. Wifi simple setup is another way Alexa is always getting smarter. 
Included in the box
Echo (4th Gen), power adapter (30W), and Quick Start Guide.
Generation
Echo (4th Gen) - 2020 release
Privacy features
Wake word technology, streaming indicators, microphone off button, the ability to view and delete your voice recordings, and more. 
Language
Alexa speaks English and Spanish