Abstract: A USB audio device includes a USB connector for connection to a general purpose computer, a USB controller connected to the USB connector for receiving an digitized audio signal from the computer and transmitting a digitized microphone signal and a controlling signal to the computer system, a digital/analog converter connected to the USB controller for processing the audio signal and the microphone signal and an earset socket connected to the digital/analog converter and having a left signal contact, a right signal contact, a ground contact, and a microphone signal contact.

Abstract: The slim type remote control of the present invention can have the size of a standard-sized PCMCIA Express card, and so the slim type remote control can be inserted into a PCMCIA Express slot of the notebook computer. Therefore, the present invention utilizes the key set to wirelessly control the notebook computer to control the operating system or to support multimedia programs and functions. Accordingly, user can use the wireless signal receiving module and the confirmation device to confirm the confirmation signal has been received by the notebook computer, or verify that signal has been sent by the notebook computer. Therefore, the wireless receiving module and the confirmation device user can use the confirmation device to confirm that a command has been received by the notebook computer, or verify that a signal has been sent by the notebook computer.

Abstract: The thin remote controller of the present invention can have the size of a standard-sized PCMCIA card, and so the thin remote controller can be inserted into a PCMCIA slot of the notebook computer. Therefore, the user can remove the thin remote controller from the slot and use it as both a remote and a laser pen, or insert it back into the PCMCIA slot for storage. Accordingly, the present invention utilizes the key set to wirelessly control the notebook computer to control the operating system or to support multimedia programs and functions. Furthermore, the present invention provides the laser module to replace a laser pen.