The Netsound 250 are flexible earpieces that adjust to you, since they allow to enlist to the ear and are ideal for tasks in movement. You will be able to take your mp3 to the neck and to control the volume from the cable.

Volume control in headphone itself

In-ear: extern noise eliminated by a baffle system

Neck Strap: hold the device around your neck

Metal jack 2.5 inch adaptor included to be connected in others devices

Impedance: 16 Ohm

4 rubber pads of different sizes

Special case to keep the headphones

Designed for the best in-ear security, perfect for activities on movement

3.5 inch golden jack adaptor

Sensitivity: 107.66 ± 3dB (@1Khz)