Sony DR-BT101iK Manual De Instrucciones página 18

 If the transmitter and the headset become out of range and the Bluetooth
connection terminates, repeat the procedure from step 1.
 Playback through a Bluetooth connection may cause noise, sound break, or
playback speed change depending on the location and the usage (page 36).
 Tip
You can control the volume on the headset. (The volume of the iPod is not
changed.) You can also fast-forward or fast-rewind while playing back (page
19).
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