Since the HP H4155 is very compact in size, it makes for an ideal office companion. This Hewlett Packard PDA offers good connectivity options including Wi-fi and Bluetooth to help you stay in touch with family and friends and for sharing files. The 400MHz processor of this HP Pocket PC, delivers a powerful and fast performance. With 64MB of memory, this Hewlett Packard H4155 PDA allows you to store enough amounts of data without the constant need to delete and make room. Thanks to its rechargeable, user-replaceable battery, this HP Pocket PC is ideal for frequent travelers. The transflective, 65, 000-color TFT screen of the HP H4155, adapts well to natural and artificial lighting obstructions.