ViewSonic has introduced two brand new palm-sized media players, the MovieBook VPD500 and VPD400. Capable of supporting a variety of file formats, they boast 4.3 inch and 5 inch TFT screens for portable entertainment.

Features include 800 x 480 LCD panels, 720p video output, 8Gb of built in memory and a micro SD card slot for memory expansion, the players are compatible with several audio and video formats, including AVI, RMVB, FLV, MP3, WMA and WAV, APE and FLAC.

Weighing as little as 134g (VPD400), the portable players are designed to fit in the palm of the hand. Viewsonic claims that the devices can play up to four hours of video content or fifteen hours of music (display off) with one charge. The ViewSonic MovieBook VPD400 and VPD500 will be available in October with estimated street prices of £105 and £115 respectively.