It varies depending on the model.
- For MHC-GT3D, MHC-GT5D, MHC-V5, MHC-V6D, MHC-V7D, MHC-GT4D, MHC-V44D, SHAKE-X1D, SHAKE-X3D, SHAKE-X7D, SRS-BTD70, SRS-BTS50, SRS-X9, SRS-X7, SRS-X99, SRS-X88, SRS-X77, SRS-HG1 models.
- Pairing information can be registered for up to nine Bluetooth wireless devices.
- For models other than the above.
- Pairing information can be registered for up to eight Bluetooth wireless devices.
NOTE: If a new device is paired after the registerable device total has been reached, the paired device with the oldest connection time is replaced with the new one.