Have have this product about a month . have work flawlessly . self-adjusting headband have work fine . you have option of use rechargeable battery that come with unit , or if it run down -lrb- which have not be a issue yet -rrb- , use alkaline aa . sound have be excellent with tv , though if the tv signal be very marginal , there can be noise . have not try with music . appreciate the power switch on the phone , so I do not have to put it back in charge unit every night . also have volume control on phone , though you 'll get cleaner sound use volume control on tv . ear pad comfortable and I appreciate they not be type that wrap around ear , so I can here my cat get into trouble , etc. . good product , especially for price .