SiriusXM offers a three-month free trial of its satellite radio service without needing a credit card. The service includes a wide range of music, live sports, news, and comedy, accessible in your car, on your smartphone, and on smart speakers. The service automatically stops after the trial period unless you choose to subscribe. 

SiriusXM Satellite Radio is a subscription-based service that provides satellite radio and online radio channels. It offers a wide range of music, sports, news, talk, and entertainment channels, catering to various tastes and preferences. With SiriusXM, listeners can enjoy high-quality audio content both in their vehicles and through various streaming devices.