Description

Sony wh-rf400 general features volume control yes (rotary) headphone type dynamic usage time maximum 20 hours cord length n/a magnet neodymium impedance (ohm) 32 ohm (1 khz) plug n/a frequency response 10 hz-22,000 hz charge time approx. 7 hrs (full charge) cord type n/a driver unit 1.57" diaphragm pet wearing style over-ear sensitivities (db/mw) 100 db/mw comes with stand