Comes will all necessary anchors to install in the drywall or concrete. I decided on this one. The 92s didnt have the volume I wanted. The battery life is shorter than expected. The reason I ordered these was because of the larger but shorter heel, so I could wear for longer periods of time and they worked out perfect for that reason. Also, the remote buttons sit unnecessarily flush with the other buttons and remote body. )The battery lasts longer than my bluetooth headphones plus it can charge while operating so battery life isnt an issue. Never use an Apple adapter, rapid charger, or car charger. The problem is they whistle. ► Working distance between headset and dongle is the same as I get on any other wireless, 2.