impressive for the price

my father are infrared wireless headphones without Phillips who let go, so I start a search for a new headset on amazon but uhf this time (here is the difference between infrared and UHF, infrared headphones are a range of 8 meters, if someone passes you, the sound cuts and it sizzles, while the UHF has a range of 100 meter and no loss of signal, if a person spends in front of you), then I fall on this model, and as many say I was perplexed seeing the reviews not too complimentary, and finally there and really great and very easy to install, no problems are to charge on the base, and sound and safe (unlike other comment I have the sound of the tv and after I thoroughly increases or I drop the remote control of the box), and the Grail and I can go anywhere in the house, I do not lose the signal and no sizzle , whether one is in front or 30 meters and still the sound is great, my father is no longer forced to go to toilet during the pub, there goes when he wants, he never loses the signal, the only negative point and length of the 3.5 jack cable 1m he has little meadows, but we find the 2 meter 2 or 3 euro on amazon, in short everything and nickel