<s>
The	O
Logitech	O
FreePulse	B-Algorithm
Wireless	I-Algorithm
Headphones	I-Algorithm
are	O
headphones	O
that	O
use	O
Bluetooth	O
to	O
transmit	O
audio	O
from	O
the	O
receiver	O
to	O
the	O
headphones	O
.	O
</s>
