these are awesome earbuds, not only do they deliver great sound but they are tiny and hold a great charge! The holder and charger for them doubles as a backup battery pack that you can charge your earbuds with over and over or even use it to recharge your phone. The pairing is simple just follow the instructions and you will have no problems at all. If you are looking for long battery life great sound all delivered in a small package then these earbuds are for you!!!