Amazon Echo Dot (2nd Generation) – Black Type: Accessories Color: Black App-Enabled: Yes Specifications: Wi-Fi Connectivity Dual-band Wi-Fi supports 802.11 a/b/g/n (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. Audio Built-in speaker for voice feedback when not connected to external speakers. 3.5mm stereo audio output for use with external speakers (audio cable not included). Dimensions: 1.30″ x 3.30″ x 3.30″ Weight: 0.36 lb….