It only works when it's plugged into the charger, and 80 feet - yeah right, nowhere near 80 feet, more like 9 or 10 feet. Do not waste your money; it is not worth it, it is a piece of crap! They should get in trouble for false advertisement. And it's almost impossible to get the money back even though they say it's a 30-day money back guarantee. That is just not right, that is so wrong on so many levels.
Bottom Line: No, I would not recommend this to a friend