iXBT Labs - Computer Hardware in Detail






Vosonic V-MP3H Digital Data Player Review

September 19, 2003

Portable devices can be different... Some play music, others let you watch movies or transfer data from flash cards to 2.5" hard drives or look through JPEG files received from digital cameras. This gadget combines all these functions; a good intention... 

Accessories, specification

The beautiful bright box doesn't indicate a definite manufacturer, - the only thing it says is "Made in Taiwan". At Vosonic's site I accidently came across a similar device with the identical name.

The box contains: 

  • player
  • support
  • bag where you can put the player, support, memory cards and some cables
  • power supply unit
  • headphones
  • audio cable
  • video cable
  • USB cable
  • CD
  • manual

Specs from the manual:

Power supply 12V adapter, built-in Li-Ion battery 3.6Vx2 (1350 mAh)
Rundown time Up to 2.5 hours of video playing
LCD 2.5" TFT
CF/MMC/SD/IBM Microdrive 4/8/16/32/64/128/256/512MB/1GB/2GB...
Built-in hard drive (optional) 2.5"
Interface USB 1.1
Data transfer rate Up to 480 KB/s (3.84 MB)
Formats supported JPEG(JFIF 1.0, 2.0), MPEG1, MP3
Image size (0-65535) x (0-65535) pixels
Max. speed at 1024x768
8bit Gray Color, 8bit RGB True Color
Video-out PAL or NTSC
Weight 446 g (hard drive included)
Dimensions 154 x 92 x 46 mm


The player works from the power supply unit or battery which works up to 2.5 hours. When switched on, the player lets you choose a storage device if flash cards are inserted. If they are not, you automatically get to the hard drive. Note that the device falls into the sleep mode in a certain period of time which can't be changed (the display shows nothing in this mode though the backlight still works). That's the first problem. 


The first menu item is JPEG files. Cyrrilic names are displayed incorrectly, but it's not a big problem because it's supposed that pictures are transferred from digital cameras which don't "speak" Russian yet. Long names are not supported either, but they are not used in digital cameras either. So, we pressed "View", and in several seconds the display showed us the first file of 1600x1200. With the buttom "Down" one can move from one picture to another in the list. If the last item in the list is chosen the button Down will get you to the first one. However, you can't jump back from the first file to the last one, - it's necessary to go through the whole list once again. That's the second problem

The display has few colors and a too narrow viewing angle. You can hook up the player to a TV box to watch pictures on its screen, but the display doesn't turn off in this case and the battery keeps on discharging... That's one more problem. 

Pictures can't be rotated, that's why the only thing left to do is to rotate the TV box :)

Do you think that there's a black frame in the original picture? No, I don't know where it came from... 

Do all cameras make pictures in JPEG? All! But some also support TIFF, and some devices can even reproduce TIFF pictures. They can even edit file names. It depends just on a firmware version, doesn't it? Why wouldn't they add it? They could have written a program of any size on the hard drive.

By the way, you can't delete files from the hard drive without a PC. However, there's a slideshow mode, though the interval can't be changed. It takes 5 sec to load a photo, then 1 sec to admire it and then it starts anew. You are not tired yet, aren't you? This gadget can do a lot of other interesting things... Let's have a look at them! 


Can you convert files from multiple kinds of the MPEG4 format into MPEG1? With this device you will have to learn it. I found several discs recorded yet in 1998 and also played some Michael Jackson's clips. Well, it sounds nice, you can even accelerate playback. Ooops.. it starts stummering... Well, sometimes it happens.


You can take a dozen of movies with you on the 20GB hard drive. But only in the MPEG1 format. Well, it's a triffling matter if you got a modern PC, it won't take more than just a couple of days plus 8 hours for data transfer... 

The playback quality can be estimated as good. 

MP3 player

No tags, no cyrrilic names, no long names, no playlist, no random play, no track searching. Well, you can adjust volume and even start the next composition in the folder. Pause and replayed playback are also supported. 


You can copy data from a card to the hard drive and from one card to another. No additional folders are created when you copy data, that is why a file with the same name can be only replaced. So, it's better to use the automatic copying mode (press Auto button when the player switches on) than to use this menu item. In this case a new numbered folder will be created and card's contents will be transferred without touching other files. Attention! This important fact is not mentioned in the documentation!

The copy speed of the CompactFlash is ok: it makes 3.2 MB/s for fast cards and about 2 MB/s for ordinary ones. It's a good score! But the device copies from MMC and SD cards only at 35 kilobytes per second at best! Plus, it's impossible to cancel copying, only when the battery runs out of charge it stops all processes and turns off the system. 

PC connection

The connector on the device is unusual; beware - if you lose the cable, it might be a problem to find a new one. 

The device gets automatically detected and needs no drivers under the Windows XP like most modern devices that use removable storage units. On its connection you get an additional hard drive and two removable ones for each memory card slot. 

Thanks to the support of the ultramodern standard USB1.1, alias USB Full Speed, the data rate reaches 700 KB/s. To fill up the hard drive you will need.. well, you will have enough time to have your sleep out. 


The only problem set for developers of this device was to write in big letters the words "VIDEO, MP3 and Digital Photo" next to the pricetag. Well, there is no to find fault with. 

There is only one well realized function - automatic copying from CompactFlash cards. But it's desirable in this case to charge the player from the supply power unit instead of batteries to be sure the process won't stop. 


  • beautiful package
  • high copy speed from CompactFlash cards


  • nonchangeable time of falling into the sleep mode
  • Backlight is on in the sleep mode
  • cyrrilic names, long names unsupported, files can't be deleted from folders and their named can't be edited
  • you can't get immediately from the first file to the last one by pressing the Up button but you can get back from the last to the first one with the down button
  • the LCD has a narrow viewing angle and few colors
  • the LCD can't be turned off when the device is connected to TV
  • image rotation is not supported, scarce image management functions
  • slideshow parameters can't be changed
  • in case of video files only MPEG1 is supported
  • sometimes video is played jerkily
  • MP3 player has very few functions
  • low speed of copying from MMC/SD
  • copying from memory cards can't be cancelled
  • the device switches off suddently, without warning, when the battery charge is over
  • dated data transfer interface - USB1.1 



Aleksei Borodin AKA TovaL (toval@ixbt.com

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