ZVUE 250 uses Lithon ION Rechargeable Battery built-in..
2.5 inch active matrix backlit screen
Supports 30 fps video playback
SD slot (ships with 128MB SD card)
Two earphone jacks for sharing with a friend
More compact design than the previous ZVUE model
Rechargeable lithium-ion battery
six hour battery life on a single charge
AC adapter to charge the device
Supports MP3, WMV, WMA with DRM, OGG, MP2
Supports JPG, BMP
Supports AVI, ASF, XviD, MPEG-4, WMV with DRM
Measures 4.33- x 2.91- inches x 0.8-inches
Weighs 5.2 ounces.
ZVUE 260 uses the sames but base more on IPOD look and features..
The device measures 4.16 x 2.4 x 0.5 inches and weighs a mere 3.93 oz. Spec wise, the device has the following:
2.5 inch TFT backlit screen
Video playback at 320 x 240 with 30fps
Integrated SD slot
Rechargeable lithium ion battery
Compatible with Windows Media Player 10, WMV, WMA + DRM, and many other file formats