Alexa can control your TV with a Logitech Harmony. Here's how - CNET
Logitech has discontinued its Harmony universal TV remotes | What Hi-Fi?
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Logitech Harmony - Wikipedia
Logitech Harmony Smart Control IR Wireless Buttons Black Remote – IR Remote Control (Wireless, Black, Cable, DVD/Blu-Ray, TV, Game Consoles, Smartphone, TV Set-top Box, Buttons, 802.11b, 802.11g, 802.11 N, Lithium): Amazon.co.uk: Electronics
Logitech Harmony 350 Control Universal Remote Control - Hunt Office Ireland
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Logitech is done making Harmony remotes | Engadget