Amazon.com: Original Logitech Ir Mini Blaster (Emitter) for Logitech Harmony Smart Control Remote : Electronics
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Amazon.com: 2.5mm to 3.5mm Adapter, Ancable 5-Pack 2.5mm Mono Plug to 3.5mm Mono Jack Adapter for Logitech Harmony Hub and IR Blaster, IR Emitter Extenders, IR Repeaters, IR Receivers : Electronics