I'm a big fan of Bluetooth technology. When I see a good value on something I can use I find it hard to resist. There is not much to say about this little Bluetooth adapter except that it works well, is inexpensive, and will eliminate the wires from your iPod. Apple doesn't seem to know the value of Bluetooth, but fortunately a small investment will overcome that shortfall. 
The wiREVO A100 is small, but is a holdover from earlier iPod design trends. It works just fine with my iPod Touch and Nano, but isn't the most stylish compliment to either. At 3/8" thick by 1.o625" by 1.5625" and only 12 grams in weight, you'll notice but not feel much addition to your iPod.
The A100 has it's own lithium battery and will charge from your iPod cable. You can charge it alone or charge both the iPod and A100 at the same time. 
Pairing is easy. The first time it is plugged into an iPod it will go immediately into pairing mode with it's led flashing blue and red. I had a little more trouble pairing it a second time to a different device, but it just took more careful timing. Once connected your Bluetooth headset will have control over the iPod. You can toggle between Play and Pause, and also go forward or backward one track at a time. Your headset will have volume control as well. Instructions are complete and easy to understand. It was well packaged.I found mine at Buy.com. No tax and free shipping kept the final price below $20. MSRP was originally $99. I'll just warn you that free shipping wasn't the default choice, so make sure you look for it when checking out.
Sound quality is great. I challenge anyone to tell the difference between this adapter's wireless audio and the same source through a cable to similar headphones. Signal strength is typical. I could walk about 40ft away from my iPod outdoors with no obstructions before the signal dropped out. Indoors this adapter is the same as all others I've tested. The number of walls and your orientation to the source device will affect the signal distance. When signal is lost there is a quiet break, and the audio resumes once you move back into range.
I recommend the wiREVO (wireless Revolution) A100. It's a tremendous value at $20. You won't be disappointed.
4D
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