Sony DR-BT101IK - Manual (Page 23)

DR-BT101iK_U [US, ES] 4-139-303-11(1) DR-BT101iK_U [US, ES] 4-139-303-11(1)
 US
Pairing with other Bluetooth devices
What is pairing?
Bluetooth devices need to be “paired” with each other beforehand.
Once Bluetooth devices are paired, there is no need for pairing again,
except in the following cases:
 Pairing information is deleted after repair, etc.
 This product is paired with 9 or more receiving devices.
This product can be paired with up to 8 Bluetooth device respectively.
If a new device is paired after 8 devices have been paired, the device
whose latest connection time is the oldest among the 8 paired devices
is replaced by the new one.
 This product is initialized.
All pairing information is deleted (page 42).
Advanced operation