The TrekStor Vibez 12 GB new MP3 player features a 1.5" full color TFT screen and is powered by a long-life Lithium-ion rechargeable battery that provides up to 20 hours of play. The player supports MP3, WMA, WAV, OGG and FLAC files as well as WMA DRM (Digital Rights Management) 9 and 10 formats. 'Though physically larger than the Nano, the slim, smooth Vibez is still plenty pocketable at 4.1x1.9x0.7 inches and 3.2 ounces. It's also quite comfortable to hold and operate one-handed, thanks in no small part to its large, black scroll wheel. Unlike the iPod's wheel, this one's tactile and actually spins.
It also doubles as a five-way control pad and handles nearly all aspects of the player's operation. Spin it to scroll through menus and adjust volume; press it up, down, left, or right to control playback or access the interface. You also can press the wheel in the center to select a highlighted option. However, it's hard to hit the exact center, so you often wind up double-pressing one of the other controls. Fortunately, in most menus you can select the highlighted option by right-pressing instead of center-pressing, so you can usually bypass this design glitch.'
Read: TrekStor Vibez (12GB) - ZDNet