Charging case for up to 50x CSX IRR10 infrared receivers.DocumentsManual, english 32 pages, 3 MBMatching Products AKG CSX BIR10Control center of the CSX interpreting system. Up to 10 languages or audio signals can be transmitted simultaneously with the AKG CSX BIR10. AKG CSX IRR10Infrared receiver of the CSX interpreting system. The language and volume can be set on the receiver. The charging status is shown in the display.