












- 2022. Jul. 25
- Media information is updated.
- 2022. Jan. 17
- Media information is updated.
- 2021. Oct. 26
- Media information is updated.
- 2021. Sep. 13
- "How to use" videos are updated.
- 2021. Mar. 08
- Media information is updated.
- 2020. Aug. 18
- Media information is updated.
- 2020. May. 12
- Media information is updated.
- 2020. Apr. 23
- Media information is updated.
- 2020. Jan. 14
- Version up tool / Customize tool for Mac are released.
- 2019. Oct. 07
- "How to use" videos are updated.
- 2018. Sep. 27
- CASIO COMPUTER CO.,LTD is appointed as IYOR 2018 official supporter.(Japanese)
- 2018. Jul. 05
- Software upgrading information and New color information are added.
- 2017. Sep. 06
- New promotion video is added.
- 2017. Sep. 06
- Media information is updated.
- 2017. Sep. 06
- Able to download all video on "How to use"
- 2017. Jul. 07
- Tapping videos are added.







Conversation is available even in the far distance if divers are facing each other. ※1 You can communicate not only 2 divers but 3 or more divers together. If a diver is far from you, the voice is heard smaller,











Casio waterproof technology makes Logosease functionable even at the depth of 42meters. You can use Logosease at any depth in recreational diving, and in snorkeling in shallow water.








Casio waterproof technology makes Logosease functionable even at the depth of 42meters. You can use Logosease at any depth in recreational diving, and in snorkeling in shallow water.


■Notices
- *1 In communication by facing divers in clear quiet sea. (Communication range is up to sea condition)
- *2 The deepest point available for recreational diving is 40 meters. This product does not encourage divers to dive up to 42 meters.
The deepest point for Advanced model (RG004) is 55m.