JayBird SB1 - Manual (Page 5)

Sportsband
Bluetooth headphones
Pairing with several Bluetooth devices
The headphones can connect with two devices at most. A mobile phone with
HFP profile; and a device with A2DP profiles. If you want to pair two Bluetooth
devices, please refer to the following steps.
1. Firstly, pair the headphones with the Bluetooth adapter
2. Disconnect the Bluetooth adapter from the iPhone or iPod
3. Pair and connect the headphones with the mobile phone
4. Reconnect the Bluetooth adapter, it will connect with headphones automatically.
Note
Mobile phones that support HSP and A2DP profiles simultaneously may block
the Bluetooth adapter from reconnecting to the headphones.