In order to put the headphones into pairing mode you have to hold down the power button for one second less than if you wanted to turn them off. I used a 5 ft kylon cable and pad lock I had on hand thus saving that additional cost. Klingt okay, ein wenig leise vielleicht. This is my replacement pair for my first order. I am in love with this case! feel uncomfortable and have difficulty to wear them . They connected very easily to my phone. The bottom part kept falling apart and it can?t hold nothing. Unless you feel like mess with an equalizer. I dont know how the other models are but these keep that old shape of earphones and I like them.