The Silicon Devices COMFORT+ Bluetooth Earphones are a great way to listen to music or watch movies on any blue-tooth compatible devices. I like to watch Makeup tutorials on YouTube at at and these have come very handy to use. My 2 year old son is still in our room so using these earphones at night help keep the sound of his ears and only into mine. These are very comfortable and easy to use. I really enjoy that they do not have a wire that plugs into the device, makes it easier to move around with that is for sure. I like that I can answer a phone call while wearing these earphones. There is a volume button also so you can turn up and down whatever you are listening too. The blue-tooth connection is a multi connection post. You do not need to change the batteries in these earphones, they have a slot on the side of the earphones that use to charge them with a android charger. The company provides a carrying case, a cleaning cloth, 2 extra sizes of ear buds, 3 differe