Sony WF-SP900 Help Manual page 150

Help Guide
Wireless Stereo Headset
WF-SP900
One-touch connection (NFC) fails.
Remove the player from the charging case, and make sure that the player is turned on.
Make sure that the Bluetooth function of the player is active.
Keep the smartphone close to the N-mark on the charging case until the smartphone reacts. If the smartphone still
does not react, move it left, right, back, and forth slowly.
Make sure that the NFC function of the smartphone is set to on.
If the smartphone is inside a case, remove it from the case.
The one-touch connection (NFC) may fail, depending on the smartphone. If the one-touch connection repeatedly
fails, turn on the Bluetooth function of the smartphone to connect the smartphone to the player.
You cannot make a one-touch connection (NFC) while you charge the batteries, because the player cannot be turned
on while the batteries are charging. Finish charging first, and then make the one-touch connection (NFC).
The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications.
Related Topic
One-touch connections with a smartphone (NFC)
Turning the Bluetooth function on or off
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