I am interested in the "XTR1 Sirius Satellite Plug and Play Receiver", it appears to be about the size of a cell phone, the ad claims it can work anywhere--I am a bit skeptical. I can not find much information about this device. I know you can put it in the car with a device and use it at home with a different device. But can I use it when I ride a bicycle or go jogging? Does it have a battery? Is it rechargeable? does it have an ear phone jack like a walkman or Ipod? Can it pick up satellite signals by itself, or does it require an antenna?

I like that I can use the same device and subscription for my car and my house, but what about for when I am on a bicycle, or running?