1999 Sony CLIo PDA
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VALUE / PRICE HISTORY
Average Price
$167.50
Highest Price
$220.50
| Date | Price | Condition | Type | Title |
|---|---|---|---|---|
| 2025-08-12 | $205 | New (Other) | Auction | Koudelka (Sony PS1 , 1999) Tested No Manual Playstation Rare |
| 2025-08-12 | $409 | Used | Auction | Tail Concerto Sony PlayStation 1 CIB w/ Registration Card PS1 Tested works 1999 |
| 2025-08-09 | $155.5 | Used | Auction | Brigandine: The Legend of Forsena (Sony PlayStation 1, 1999) PSX PS1 MINT |
Prices in USD. While all care is taken, there is no guarantee on accuracy of this data.
ITEM REVIEW
The Sony CLIo PDA, which stands for Personal Digital Assistant, was a device that was manufactured by the well-known company Sony and was officially released to the public in the year of 1999.

Background
The CLIo came into existence during a pivotal moment in the world of handheld computing technology, a time when personal digital assistants were making the transition from being niche gadgets to becoming more mainstream consumer electronics that were widely accepted. Sony, a company renowned for its innovative and forward-thinking approach to consumer technology, developed this particular device as a significant part of its broader strategic plan to integrate various digital solutions across a multitude of different platforms.
During the late 1990s, the PDA market was experiencing substantial and noteworthy growth, with various companies such as Palm and Handspring competing fiercely for consumer attention and market share. Sony’s entry into this market represented a carefully calculated move designed to leverage its extensive expertise in consumer electronics and to create a distinctive product that would stand out from the numerous competitors that were already present.
Features



The CLIo boasted several noteworthy technical specifications that truly distinguished it from other PDAs that were available during that particular era:
– A 3.5-inch LCD screen that featured a color display
– A built-in stylus that was designed for input and navigation purposes
– An integrated speaker that provided multimedia functionality
– A memory capacity that reached up to 1 MB
– The ability to transfer data wirelessly via infrared technology
– Support for multiple applications including:
• Calendar management functionalities
• A calculator application
• Basic game applications for entertainment
• Note-taking capabilities that were particularly useful
The design of the device incorporated Sony’s signature sleek aesthetic, characterized by a compact form factor that made it relatively portable for users who required digital organization tools for their everyday tasks. Its infrared data transfer capability was particularly innovative for that specific time period, allowing users to share information between devices with a degree of relative ease that was not commonly found in similar products.
Popularity and Legacy
While the CLIo did not achieve massive mainstream success that would place it among the most recognized products of its time, it represented an important milestone in Sony’s ongoing evolution of digital products. The device appealed primarily to a niche audience of tech enthusiasts and professionals who were early adopters of portable computing technology, eager to embrace such innovations. Its multimedia capabilities were somewhat ahead of competing PDAs, which typically focused more narrowly on providing organizational functions for users.
The CLIo demonstrated Sony’s willingness to experiment with emerging technological platforms, a characteristic that would go on to define much of the company’s overall approach to consumer electronics throughout the late 1990s and early 2000s. Though it did not become a landmark product in the history of technology, it nevertheless contributed to the broader conversation about personal digital assistants and the evolving landscape of mobile computing.

Video Reviews and Commercials
Personal digital assistants (PDAs) gained popularity around 2000. Palm Computing dominated the market with innovative handwriting recognition. The company licensed its operating system to manufacturers like Sony, who created diverse devices. As competition from Microsoft’s Pocket PC increased, Palm added multimedia and networking features to stay relevant in the evolving handheld device market.
Availability and Collectability
Today, the Sony CLIo has transitioned into becoming a collector’s item that is highly sought after by vintage technology enthusiasts. Original units of this device are relatively rare on the market, and functioning models can command modest prices among collectors who specialize in late 90s electronic devices. Collectors typically value units that remain in good cosmetic condition as well as operational condition.
The device’s limited production run, combined with its representation of a specific moment in the timeline of digital technology, makes it an interesting artifact for individuals who are interested in the history of personal computing. Vintage technology forums and various collector communities occasionally feature discussions and sales of CLIo units, which reflects an ongoing interest in this particular piece of Sony’s technological history.
Enthusiasts and collectors appreciate the CLIo not merely as a functional device, but also as a snapshot of technological innovation that occurred during a transformative period in the realm of digital personal computing – a time when handheld devices were transitioning from being mere curiosities to becoming practical tools for both personal and professional use.
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DISCUSSION
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