what is power source?
253033
the power source is the small box that plugs into your electrical outlet that provides the air that is forced into your compression sleeve. this box controls the amount of pressure you require and the length of time you want it to work.
253034
Unit is around 12 in x 6 in high. Power cord can be ac or dc with adapter. Just plug it in....
2072693
It does come with a power supply, however you can also put batteries in it to make it more portable. At least this version of the package DOES come with a power supply.
1477054
No, there is not an external power source included, it only comes with a USB cable. However, you can connect this USB cable to one USB power supply that can be connected to your +12VDC car adapter, they are very popular now.
654310
There is no power source, except AA batteries to run the calorie counter, etc. This is a great machine. I love it!
1243229
I'm not sure I understand your question. It is an electronic device so it needs a power source. The battery is built-in, and can be recharged through a USB port on a computer or laptop.
1920155
I haven't tried it for a power source. It takes five hours to charge my NextBook Premium 8 for less than two hours of battery use, so I have doubts about it woking for a power source.
181937
I guess the answer is no, there is no power source in the headphone only volume adjustment on the cord. They are well worth the money, the sound is great. The only problem I have is they are a little heavy on top of my head, tried to adjust them but still there but I don't mind, I just crank em up!
105124
No, you do not need a separate power source. The cooling pad can be powered through a USB port on your computer. I choose to use a separate source to keep the USB port open for other devices.
1863802
Need to buy a separate source........ that is a good thing in my opinion. Most power supplies that are included suck.
114674
Yes. I just checked the owners manual on line and that is the power source for that unit.
39138
Built in powersource but I would recommend against purchasing this item. I purchased 2 of them and neither of them worked. 1 wouldn't take a charge, and the other had no sound output to headphones. The will also not take standard headphones.
984016
No it does not come with a power supply. It us powered by the laptop itself.
2085819
Yeah! So I've plugged mine in for a power source, but it takes batteries.However, it doesn't have a speaker/amp so you'd need to orchestrate a way to do that
197958
You just plug it into the computer via USB drive and set it up that way and you are ready to go. No other power source needed.
1733
It comes with a USB cable that has little adapters for charging different devices as well as itself. You are expected to provide your own USB power source.
333862
No external power source needed. Just simply plug in the 3.0 USB to the PC and you are set. :)
2146919
The only power source I found on the one I bought (and subsequently returned) was AA batteries. I could never get mine to work, so it went back to the provider.