This got lost in a previous thread for just the hub direct from Logitech.
According to the product description the hub IS included.
Now control your Harmony Smart Home set up using only your voice
Use your Smartphone (with available app) or included Harmony Remote for one-touch control of your entertainment system and home automation devices such as Philips Hue lights or Nest Learning Thermostat
Companion remote includes full featured home entertainment controls including dedicated home automation controls
Included Harmony Hub lets you control devices hidden behind cabinet doors or walls, including game consoles such as PS3, Wii, and Xbox 360
Echo Dot (2nd Generation) is a hands-free, voice-controlled device that uses Alexa to play music, control smart home devices, provide information, read the news, set alarms, and more
Connects to speakers or headphones through Bluetooth or 3.5 mm stereo cable to play music from Amazon Music, Spotify, Pandora, iHeartRadio, and TuneIn
Controls lights, fans, switches, thermostats, garage doors, sprinklers, and more with compatible connected devices from WeMo, Philips Hue, Samsung SmartThings, Nest, ecobee, and others
Also in black I believe.