I bought one of these from Asda Direct when they dropped the price to a very cheap £15 (this was after the one I ordered from eBay never arrived.) I have been looking for a small clip device for running, mainly mp3 players to listen to podcasts (I find music boring when running), but found this which I thought would be great to listen to talksport or radio 5 live in digital quality.
When it arrived, it was small and light weight. The device is split down the middle where it clips. There are small buttons on the side, Band (it has an FM tuner too), p/s (presets/select), down and up. The Volume up and down on the other side and the on/off switch in on the top next to a micro USB slot. The USB is for charging the internal rechargeable LI-ON battery only and doesn't have any connectivity to your PC. On the front, there is a small LCD panel. It comes with a micro USB cable and a pair of cheap headphones.
When switched on for the first time it scans for DAB radio channels, using the headphones as an antenna. When I switch mine on for the first time, it found none. I quickly found out I was in an area of the house where there were no DAB signals. I moved to another room and it was able to pick them up.
The LCD screen doesn't display the radio channel being played, instead in numbers them, which is understandable due to the size of the screen and device. It does make finding the station you want to listen to difficult, essentially waiting until someone says something. You can preset the stations, but selecting presets is fiddly, holding the button down, then pressing up or down to select. Now imagine trying to do this whilst running. The buttons are small and fiddly too, and doesn't take much to accidentally change stations, which is a pain at times.
The biggest problem is the DAB signals itself. DAB offers clear, cd quality sound, over analogue, where you can get a lot of hiss. However, DAB requires a stronger signal, whilst analogue can be picked up quite easily over longer ranges (mw/am). For a device this small, and more likely, this cheap, it doesn't pick up DAB signals that well. When it does, its clear, but when you move around, it drops, causing sound distortion and loss. Essentially, its unworkable as portable, personal radio, where the point of it is to move around, or in my case, run around.
At the end of the day, you get what you pay for, and at £15, you are not going to get a lot. If you want to listen to radio on the move, for cheap, I would suggest a small portable FM/AM analogue radio.