conventional FM radio broadcasts . Files can be shared wirelessly between Zunes and PCs as well as other Zune devices. Zune's primary competitor is the Apple iPod product line. Contents 1 History 1.1 Development 1.2 Zune 3.0 1.3 Zune 4.0 1.4 Models 1.5 Preloaded content 1.6 Specifications 1.7 Accessories 1.8 Firmware