This is a fantastic unit. I was excited to receive my Hush as I'd read a lot about it online, and it definitely lived up to expectations. The unit itself is pretty solid, and although I had a minor technical issue on the 4th or 5th day, support from the manufacturer was quick and the problem was resolved. The app itself is fantastic. There are a range of 'crowd sourced' programs that really hit the spot. I wore it to a party on the weekend and the sound activated mode was fun, and it's well designed and comfortable enough to be worn at the gym (I've tried that too). A hookup had great fun playing with the app while I went down on him, there are just so many possibilities. Charging is quick and easy, and operation is simple.