3.9” x 3.9” x 1.7” (99 mm x 99 mm x 43 mm) 3.9” x 3.9” x 1.7” (99 mm x 99 mm x 43 mm) Weight 10.6 oz. (300 grams) Actual size and weight may vary by manufacturing process Wi-Fi connectivity Dual-band Wi-Fi supports 802.11 a/b/g/n/ac (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. Software Security Updates This device receives guaranteed software security updates until at least four years after the device is last available for purchase as a new unit on our websites. Learn more about these software security updates. If you already own an Amazon Echo, visit Manage Your Content and Devices for information specific to your device. Smart Home Device Compatibility WiFi, Bluetooth Low Energy Mesh, and Matter Accessibility features To enable features that personalize Alexa to your abilities, go to Settings → Accessibility in the Alexa App. • Adaptive Listening provides customers more time to finish speaking before Alexa responds. • Preferred Speaking Rate allows customers to control how fast or slow Alexa speaks. To enable, say “Alexa, speak slower” or “