Sony MDR-AS400EX/G Sports Headphones with Adjustable Ear Loop

Elevate your workout listening to your music with Sony Active Sports Headphones. You’ve got the right shoes and workout gear; now take your music to the next level with the MDRAS400EX headphones. The high efficiency, 9mm drivers units deliver extended frequency response and powerful bass while the hybrid silicone ear buds and adjustable ear loop ensure a secure fit.
Driver Unit : 9 mm, dome type
Sensitivity (db) : 103 dB/mW
Frequency Response : 5 – 24,000 Hz
Plug : Gold-plated, L-type stereo mini plug
Cord : 47 1/4 in. (1.2 m), Litz cord Y-Type