Dress is a must for fans. It can be used only by inserting the earphone socket of the electronic device. Soft Silicone use friendly ear. You will also be in gangs of Straw Hat Pirates in the bag! (Without cord) Cord length about 1m / mass about 5g / Specifications: Size: 3.5 stereo mini-plug / material 20 ~ 20.000Hz / plug Type Sealed type / driver unit 9mm / sound pressure sensitivity 90dB/mW / playback frequency band body: ABS Code: TPE earphone pad: Silicon