People with visual problems can now plug into any PC without having to download any special software they may require using a U3 key.人与视觉的问题，现在可以插入到任何PC无须下载任何特殊的软件，他们可能需要使用的U3的关键。 Serotek Corporation has introduced mobile software which uses the U3 API to unlock computer freedom for the visually impaired via USB flash drives. serotek公司已推出的移动软件，使用的U3 API来解锁计算机的自由，为视障人士透过USB闪存驱动器。
U3 keys are often called smart keys because they can hold software programs and settings, as well as data files.在U3的关键往往是所谓的智能钥匙，因为他们可以容纳的软件程序和设置，以及数据文件。 Because software remains on the U3 key and is not downloaded to a PC, not only does this open access to any computer, but it ensures privacy.因为软件仍然是对的U3的关键，是不会被下载到PC上，这不仅公开获取任何一台电脑，但它确保隐私。
The host computer remains completely unaltered and the user has the full assurance that no personal information will be left behind.主机电脑仍然是完全不变，与用户有充分的保证，也没有个人资料，将遗留下来的。
A combination of组合 FreedomBox Internet Suite freedombox互联网套房 and the System Access software that has been designed for these drives allows the visually impaired to use many mainstream applications.和系统访问的软件设计已为这些驱动器，让视障人士使用的许多主流应用。
System Access performs many of the functions of a screen reader.系统访问履行许多职能的一个屏幕阅读器。 Because it taps directly into Microsoft’s standard Windows controls via Microsoft Active Accessibility, it gives the user access to utilities and applications such as Microsoft Office, Notepad, Windows Media Player and Adobe Reader.因为它的水龙头直接进入微软的标准的Windows控件通过微软积极无障碍环境，它赋予使用者存取公用事业和应用，如Microsoft Office ，记事本， Windows Media Player和Adobe Reader的。 It also lets users access VoIP service它也可以让使用者存取的VoIP服务 Skype Skype公司 . 。
FreedomBox offers internet access including web browsing, email, streaming media, and instant messaging. freedombox提供因特网接入，包括上网浏览，收发电子邮件，流媒体，和即时消息。 Users may also customize FreedomBox.用户也可自订freedombox 。
Steve Nutt, who is a blind computer technician, said for the first time he now has the flexibility to use any computer.史蒂夫纳特，谁是盲人电脑技术员，说为他第一次，现在可以有弹性，使用任何一台电脑。
“I can now plug in this U3 key and help my customers with their computer problems because I can make the computer talk with this software,” he told Computeractive. “我现在可以堵塞在这方面的U3的关键，并帮助我的客户与他们的电脑问题，因为我可以使计算机对话与此软件， ”他告诉computeractive 。
The cost of the software, complete with a 1Gb U3 key is $399USD, but people who don’t need a key can download the software for $299USD .成本的软件，完成与1 GB的关键是在U3元399usd ，但人谁不需要一个关键可以下载该软件为元299usd 。 Annual subscriptions then cost $129USD.每年订阅，然后耗资129usd 。 PCs must have a USB port, a sound card and speakers, and must be running Windows XP.电脑必须有一个USB连接埠，声卡和扬声器，必须运行Windows XP 。
Source:资料来源： Computer Active计算机活跃
