With the dual position characteristic you are who choose how to listen to music. Give versatility to the sound and chooses between the in ear way or the classic earpiece type button. Their adaptors allow to obtain to the Maximum compatibility.

Dual-Sound: in same headphone you can choose your listen: in-ear mode (extern noise eliminated), or normal mode

Maximum Compatibility: 2,5mm, 3,5mm and 6.35mm Jack

Around-the-neck cable: hold the device around your neck

Anti-roll up rubber cable

4 rubber pads of different sizes

Special case to keep the headphones

Frequency range: 20-20.000 Hz

Sensitivity: 115±3dB (@1Khz)