Voice-changing Pen

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| ‹  [Wristwatch Flashlight](/wiki/Wristwatch_Flashlight "Wristwatch Flashlight") | [**List of Gadgets**](/wiki/Gadgets "Gadgets") | [Kamen Yaiba Voice Changer](/wiki/Kamen_Yaiba_Voice_Changer "Kamen Yaiba Voice Changer")  › |
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| **Voice Changing Pen** | |
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| **Profile** | |
| Japanese name: | ボイスチェンジペン |
| Romaji name: | Boisuchenjipen |
| Created by: | [Professor Agasa](/wiki/Hiroshi_Agasa "Hiroshi Agasa") |
| Used by: | [Conan Edogawa](/wiki/Conan_Edogawa "Conan Edogawa")   [Detective Boys](/wiki/Detective_Boys "Detective Boys")   [Hiroshi Agasa](/wiki/Hiroshi_Agasa "Hiroshi Agasa")   Agasa's friend |
| **Statistics** | |
| First appearance: | Manga: [File 111](/wiki/Volume_12 "Volume 12") |
| Appearances: | Chapters: (/wiki/Voice_Changing_Pen_Appearances "Voice Changing Pen Appearances") |
In the manga version only, the voice changing pen is the fifteenth gadget created by [Professor Agasa](/wiki/Hiroshi_Agasa "Hiroshi Agasa").
## Description[[edit](/wiki/index.php?title=Voice-changing_Pen&action=edit&section=1 "Edit section: Description")]
It is used as a recorder and voice imitator. It was first developped for Agasa's colleague, with which they earned quite a lot of money. However, it was only used once as the professor and the [Detective Boys](/wiki/Detective_Boys "Detective Boys") visited his uncle's house to find out a counterfeiter was inside looking for a printing plate that was hidden inside. It can also write like a normal pen.
## Manga to anime changes[[edit](/wiki/index.php?title=Voice-changing_Pen&action=edit&section=2 "Edit section: Manga to anime changes")]
Main article: [Kamen Yaiba Voice Changer](/wiki/Kamen_Yaiba_Voice_Changer "Kamen Yaiba Voice Changer")
* In the anime version, the voice-changer is created in the form of a Kamen Yaiba playing card.
The Kamen Yaiba Voice Changer