two-way :

intercom communication referee full-duplex tour guide Portable PAs Vlogger SoundField GPS triggered DSLR Interpretation Wireless Audioguides

Chargers

- Compatible with CON-9T, CON-9R, and CON-9H
- 24 units charger for CON-9T and CON-9R ...

* 25 slot charger for OTG-200. OTG-100 and OTG-102 series
* Uploading available for OTG-200 ...

* 25 slot charger for OTG-200. OTG-100 and OTG-102 series
* Uploading available for OTG-200 ...

Combination of 1-slot for transmitter and 11-slot for receiver

Combination of 2-slot for transmitter and 22-slot for receiver

12-slot charging station for EZtour

24-slot charging station for EZtour

Charger for WT-300 series.
* 24 slot charger with storage room ...

Dual-slot charger for WT-350 series, and WCS-350 series.

Charging case for WT-300 series.
* 12 slot charger with storage room ...

Charging case for WT-350 series, and WCS-350 series.
* 24 slot charger with storage room ...

Charger suitcase with handle and wheels for WT-808 series, and EJ-7 series.
* HDC-36, for W ...