Tag: List of battery sizes
Sony announce MDR-RF4000K and MDR-RF810RK wireless headphone sets
Sony have today announced the release of two new sets of wireless headphones, the MDR-RF4000K and the MDR-RF810RK. The MDR-RF4000K sets have been designed to complement the look of Sony's new "Monolithic" range of Bravia TVs. They feature a small…