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| Product | Logitech Harmony 688 (silver) | Logitech Harmony 650 | Logitech Harmony One Advanced  | Logitech Harmony 700 | Logitech Harmony 600 |
| Price | $199.98 | $68.99 to $89.99 | $336.99 to $399.99 | $209.99 to $256.05 | $57.00 |
| CNET editors' rating | 3.5 stars | 3.5 stars | 4 stars | 4 stars | 3.5 stars |
| Average user rating | 3.5 stars | 3 stars | 3.5 stars | 3 stars | 1.5 stars |
| Release date | April 15, 2004 | March 15, 2010 | Info unavailable | October 1, 2009 | March 15, 2010 |
| Bottom line | The Web-programmable Logitech Harmony 688 universal remote is a must-have home-theater accessory. | The Logitech Harmony 650 is one of the best universal remotes you can buy for less than $100. | While it's missing an RF option, Logitech's Harmony One is one of the best--if not the best--universal remote we've ever tested. | The Logitech Harmony 700 delivers the bulk of the Harmony One's excellent feature set and ergonomics at a lower price point. | If you can't spend $100 or more on a universal remote, the Logitech Harmony 600 is a great choice. |
| Remote type | Universal remote control | Universal remote control | Universal remote control | Universal remote control | Universal remote control |
| Remote control technology | Infrared | Infrared | Infrared | Infrared | Infrared |
| Features | LCD display Multi-brand compatibility LCD backlight Glow buttons Learning | Supports 5000+ brands One-click activity buttons Guided online setup Back-lit buttons | Supports 5000+ brands Guided online setup Back-lit buttons Learning | One-click activity buttons Supports 5000+ brands Easy online set up Rechargeable Back-lit buttons Programmable | Supports 5000+ brands Back-lit buttons One-click activity buttons Guided online setup |
| Supported Devices | CD recorder VCR, DVD, satellite receiver Radio Home control TV DVR Projector Amplifier Plasma panel | TV Blu-ray player DVR Cable box VCR Satellite TV system AV receiver | TV Satellite TV system Cable box DVD player Projector Game console AV receiver Blu-ray player VCR Amplifier | TV Cable box Satellite TV system DVD player Projector Blu-ray player AV receiver | Cable box Satellite TV system TV DVD player Projector DVR Blu-ray player AV receiver |
| Input Device | Joystick | Keypad | Touch screen Keypad | Keypad | Keypad |
| Display | LCD display | LCD display | LCD display - 2.2 in | LCD display | LCD display |
| Battery | 4 x Standard battery - AAA type | - Alkaline 2 x Remote control unit battery - AA type | 1 x Remote control unit battery - Rechargeable - Lithium ion | 2 x Remote control unit battery - Rechargeable - Nickel metal hydride | - Alkaline 2 x Remote control unit battery - AA type |
| Manufacturer Warranty | 1 year warranty | 2 years warranty | 2 years warranty | 1 year warranty | 2 years warranty |
| Supported Device Qty | Info unavailable | 5 | 15 | 6 | 5 |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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Logitech Harmony 688 compare (silver)
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