A lot of products and services need more than 30" to explain what they do and what their benefits are, this is where advertorials can be a great solution. They are comprehensive announcer adlibs, usually in a Q&A format between the DJ and advertiser. Advertorials are typically 3 - 4 minutes in length and run during programming time, they deliver a high amount of information to the listener in a compelling way that gives the advertiser a platform to talk about their product or service.  

3 - 4

minutes long