1. A knife structure comprising:

a handle body having a trench mounted on one side thereof for receiving at least a foldable tool and a media player mounted on the other side thereof, wherein the media player comprises a plurality of function keys, a monitor, a LED light, an identifier, a microphone, a camera lens, a speaker, a storage device, and an output/ input device, and

thereby the knife structure provides a knife tool and can be used as an entertaining object to listen to digital music, take photograph and film, or make audio recording.

2. The knife structure of claim 1, wherein the handle body is a Swiss army knife or a foldable knife.

3. The knife structure of claim 1, wherein the identifier on the handle body is a radio frequency identification system.

4. The knife structure of claim 1, wherein a Bluetooth chip module is mounted inside the handle body.

Patent Application Publication . No.: US 2006/0087845 Al