Folding and Adjustable Design The headphones are easily portable and lightweight, they fold inward so that are compact and easy to take along, since they fold up neatly and you can just put them in your backpack or purse. Stylish and Ergonomic Design- The headband and the ear piece's are both well padded, so you can wear them for a couple of hours at a time. They also do a good job of blocking out any background noise, so you can just focus on my music and my work.And these headphones are quite stylish, you have several fun Colour combinations to fit your preference. Great Sound and Mic control- The highs and mid range is quite crisp and clear. You can use the In-line mic control to End/answer Phone Calls, Pause/play Music, Support with Switch of Previous/next Songs. On-the-Ear Type- These headphones easy to wear and adjustable to fit your head. They have enough pressure to stay on my head, but don't put too much pressure on sensitive parts of my ears. 1.5m Nylon Rope Cord and 3.5mm L Shape Jack- It is infused with the plastic at the aux jack, so it is not going to pull out easy. Also, the nylon cord keeps it from tangling easy. Specifications:   headphones Driver diameter:40mm   Impedance: 32ohm Sensitivity:106dB 3dB   Frequency response 20~20000HZ   Cord length:1.5m   Microphone   Mic Dimension: 4.0*1.5mm   Sensitivity:-42dB 3dB   Frequency response 100~10000HZ   Plug Type: 3.5mm   Mic Function 1.One click: Play or pause music; Double click: Next song; Triple click: Last song. 2. One click: Answer or end the phone calling.   Note: If you have any question you can contact us, you can enjoy refund or perfect replacement without condition in 3 month from your purchase date.