主题：有没有人比较熟悉mp4 player, 不是mp3 -- 总是在线

Zen Vision:

* Capacity Size: 30GB HDD, 1.8-inch

* Built-in Compact Flash slot

* Audio Formats Supported: MP3, WMA, and WAV

* FM Radio: Yes, Internal

* Enhanced Sound: 8 Preset EQ

* Voice Recording: Yes, Direct Encoding: No, FM Radio Recording: No

* Video formats Supported: MPEG4, WMV, Dvix, XviD

* Picture support (JPEG & TIFF)

* Display: 640x480 pixels 64,000 Colour 3.7-inch TFT-LCD Display

* Interface Type: Buttons, multi-directional control

* Connectivity: USB 2.0 (USB 1.1 Backwards Compatible)

* Internal Microphone: Yes

* Battery: Internal Lithium-Ion Rechargeable

* Battery Replacement: User Removable,. Rechargeable: power point or USB

* Unit Dimensions: 124.2 x 74.4mm x 20.1mm

* Unit Weight: 232 Grams (with battery)