Sena STRYKER Manual De Instrucciones página 38

④ Tap Save and check that your friend (B) is paired with you (A)
correctly.
⑤ Tap Scan (
(C) and (D).
Note: The Smart Intercom Pairing (SIP) is not compatible with
Sena products that use Bluetooth 3.0 or below.
) and repeat steps 3-4 to pair with Intercom Friends