Despite the name of the article, it is indeed a headset for mobile phone (I said it's not in-ear). These headphones are compatible with iPhone, Blackberry, HTC, LG, Motorola, Sony Ericsson, Nokia, Samsung, if they have a 3.5mm jack. It works perfectly on my Sony Ericsson and the sound quality of the audio calls and microphone is correct. The article includes a micro + shooting button calls the left wire and the wire length is 1.2 m. For Nokia, Samsung and Sony Ericsson, connect in addition an adapter (supplied) 6 cm (if not a message "Unsupported accessory" appears on the screen.) There is no volume control (most other free kits do not possess). I also tested it on my mp3 player to play music, no problem. So this is a good quality headset for the price, ideal for those who want to make calls with hands free or avoid sticking their phone to the ear for long conversations ...