[Ajustable Headband]: the headphone with microphone is adopt 40mm driver and ajustable headband and compact earcups design . the ajustable headband can let you get a perfect fit for your head shape.with the soft cushion protein earmuff,that rest comfortably on your ears. Strong bass, comfortable on ear headphones with a great seal which minimize outside noise so you can hear the beats clearly. | [Lightweight and Tangle-Free Design]: the headphone is pretty light but sturdy and comfortable on the ears. it stay put and block outside noise. the cord is premium nylon braided with 1.3m lenght, it is very durable and tangle-free,suitable for kids and children. | [In-line microphone]: With in-line microphone can conveninet to make calls,end calls play/pause/answer and skipping tracks forward and back. The on-ear headphone with microphone support a wide range of devices like cell phones, computers, laptops, MP3, MP4 players which with 3.5mm audio jack devices for gym, listening to music and games. Note that:the on-ear headphone with microphone don't have volume control. | [Foldable and Durable Design]: The headphones with microphone is built meticulously with strong and sturdy plastic for long-lasting resilience and durability.foldable design for a more compact storage,it is convenient to carry,you can easily put it in the suitcase and bag. | [Supporting]: 24-month Hassle-Free-Protection ,it is very easy to reach customer svervice