No complaints from our children. We thought it might take awhile but as soon as her items touched it, we saw the charging icon! Ive had the first pair for years, and though they are still going strong they no longer rate as "smart" in the "going to the pub" sense - mainly because I pretty much live in them during the spring/summer/autumn so they see a lot of walking, gardening, boat maintenance, and camping. Comes with extra set of keys. Very good sounding cartridge for the price. Pay no mind to the concerns about the sensor--what matters is real-life usage, and the lack of an absolutely bleeding-edge sensor does not negatively impact the camera at all. diminishes most noise, although you can still here a little bit of outside noise. Very sexy with Bathing Suits! cheap, work as expected, with only issue dropping a star that they will slide off off a little from time to time and have to push back on. I make sure its what I want so I dont have to pay return shipping.