Wider than Sony's EX71 frequency response range, and matches Audio-Technica's CK5 wider driver size. Ear canal buds fits snugly. Stays in place even during vigorous exercise, eg. jogging, treadmill. Blocks out external noises, creating an excellent inner ear acoustic environment.

HNJ50 Contents .. Earphones, 0.6m handy cord, stereomini plug 3 pairs Silicone earbuds (S, M, L) Supplied by Authorized Resellers in Singapore. This product's short warranty period is unfortunately standard here. Singapore Warranty 1 month from received date. We can help you liaise with the local repair centre. You will pay for postage to/from our Singapore office.   Frequency Response Hz 6-25k Sensitivity dB/mW 104 Output W 0.2 Impedance ohm 16 Driver Size mm 11.5 Weight g HJE50: 4 HNJ50: 10 Cord Length in m, Shape 0.5

Handy features ..

Neck strap: Clip up to form a neck strap, or unclip to use as a regular Y cord earphone.

Earbud Clip: Keeps the earbuds neat along the neckchain instead of swinging messily around.

Portable strap: Wear your earphone with your portable by attaching it to your earphone using this very handy twist in strap.

Silicone earbuds comes in 3 changeable sizes - S, M, L. Actual sizes in pix.