MDR-E829V:In-ear-type headphones with volume control, supplied with a compact winding case
-Rotary slide-type volume control for easy level adjustment.
-Compact winding case supplied for carrying and storing.
-Sony Acoustic Twin Turbo Circuit for deep bass sound.
-Neodymium magnet for powerful bass and clear treble sound.
-Silent cap prevents sound leakage.
Sony HEADPHONES MDR-E829V. Ear coupling: Supraaural, Headphone frequency: 12 - 22000 Hz, Headphone sensitivity: 108 dB. Connectivity technology: Wired, Cable type: OFC, Cable length: 39.4" (1 m). Color of product: Black. Weight: 0.212 oz (6 g)