Echo Dot (4th Gen) with clock Size 100 x 100 x 89 mm Weight 351.3 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. 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 1.6” built-in speaker for voice feedback. 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 WiFi. The Alexa app is compatible with Fire OS, Android, and iOS devices and also accessible via your web browser. Supported operating systems. Certain skills and services may require subscription or other fees. 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. Learn more about WiFi simple setup Warranty and service All-new Echo dot is sold with a limited warranty of one year. Use of All-new Echo dot is subject to the terms. Accessibility features The Alexa app and Alexa-enabled products include several features for customers with accessibility needs related to vision, hearing, mobility, and speech. Learn more about Alexa accessibility. Included in the box Echo Dot, power adapter (15W), and Quick Start Guide. Generation Echo Dot (4th Gen) with clock - 2020 release Privacy features Wake word technology, streaming indicators, microphone off button, the ability to view and delete your voice recordings, and more. Visit the Alexa Privacy Hub to explore how Alexa and Echo devices are designed to protect your privacy. Language Alexa speaks English and Hindi Country of origin China Generic name Smart speakers Item quantity 1