Logitech Harmony 890 Pro Remote Control Reviewccokeman - September 27, 2007
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After pulling the remote free from its confines, it appears to be shaped to fit nicely into the user's hand. The charging bay and Harmony have matching contacts to facilitate the charging process.
The battery that comes with the Harmony is similar to what you might find in a cordless or even a cell phone. It is a lithium ion rechargeable battery with a 930 milliamp hour rating and runs the remote on 3.7v.
The battery slips into the Harmony in only one way, if it does not fit easily it is in wrong. To complete the installation of the battery just slide the battery cover into place and it is ready for charging.
The Harmony comes with a charging cradle to keep the battery charged on the remote. The charging cradle is powered by a small transformer that plugs into the wall to supply the charging voltage. The transformer plugs into the backside of the charging cradle and the cord tucks neatly into a recess on the back side.
The Harmony connects to the home computer via a USB cable. The remote is programmed using the Harmony software and Logitech's online database of home entertainment devices. The USB port on the Harmony is on top where you would normally see the infrared lens.
The harmony comes with all of the items needed to get you started from the battery to the software and charging transformer.