The HP iPAQ h6310 was announced in 2004, Q4 With 3.5 inches, 53 x 71 mm, 37.9 cm2 (~42.5% screen-to-body ratio) TFT resistive touchscreen, 65K colors, Powered by TI OMAP 1510 and running Microsoft Windows Mobile 2003 PocketPC Phone Edition, the device delivered smooth performance and multitasking capabilities. while the Removable Li-Ion 1800 mAh battery ensured long-lasting usage.